Dotted Snake (Coluber punctatus: Forster, John R. 1771. A systematic catalogue of all the known plants of English North-America or, a flora Americae Septentrionalis. Pages in From Forster's translation of Bossu, Travels through that part of North America formerly called Louisiana, Vol. 1. T. Davies, London, England. pp.); Dotted Snake (Coluber punctatus: Pennant, Thomas. 1785. Artic Zoology. Henry Hughs, London. pp.); Water Viper (Coluber punctatus: Morse, Jedidiah. 1794. The American Geography of, a view of the Present Situation of the United State of America. John Stockdale, Piccadilly, London. pp.); Sharp Thorn Tail (Coluber punctatus: Morse, Jedidiah. 1794. The American Geography of, a view of the Present Situation of the United State of America. John Stockdale, Piccadilly, London. pp.); Ringed Snake (Coluber puncatatus: Storer, D. H. 1839. Reports on the Ichthyology and Herpetology of Massachusetts. Reports on the Fishes, Reptiles and Birds of Massachusetts. Published Agreeably to an Order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State. Dutton and Wentworth, State Printers, Boston, Massachusetts. pp.); Ring Snake (Coluber punctatus: De Kay, James E. 1842. Zoology of New-York, or, The New-York Fauna: Comprising Detailed Descriptions of All the Animals Hitherto Observed within the State of New-York, with Brief Notices of those Occasionally Found Near its Borders, and Accompanied by Appropriate Illustrations. Volume 1, Part 3 (Reptiles and Amphibians). W. & A. White & J. Visscher, Albany, New York. pp.); Ringsnake (Diadophis punctatus: Baird, Spencer F. 1854. Serpents of New-York; With a Notice of a Species not Hitherto Included in the Fauna of the State. C. Van Benthuysen, Albany, New York. pp.); Ringnecked-snake (Diadophis punctatus: Baird, Spencer F. 1854. Serpents of New-York; With a Notice of a Species not Hitherto Included in the Fauna of the State. C. Van Benthuysen, Albany, New York. pp.); Western Ring Snake (Diadophis pulchellus: Cooper, James G., George Suckley, William Cooper, George Gibbs, Asa Gray, and John L. Le Conte. 1859. The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857. Bailliere Bros., London, H. Bailliere;, New York, New York. pp.); Ring-necked Snake (Diadophis punctatus: Allen, J. A. 1869. Catalogue of the reptiles and batrachians found in the vicinity of Springfield, Mass., with notices of all the other species known to inhabit the state. Proceedings of the Boston Society of Natural Hisotry 12(1868-1869):171-204); Spotted Ring Snake (Diadophis punctatus: Cooper, James G. 1869. The fauna of California and its geographical distribution. Proceedings of the California Academy of Sciences 4():61-81); Arny's Ring-necked Snake (Diadophis arnyi: Jordan, David Starr. 1876. Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species. Jansen, McClurg, and Company, Chicago, Illinois.. 342pp.); Ring-necked Snake (Diadophis punctatus: Jordan, David Starr. 1876. Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species. Jansen, McClurg, and Company, Chicago, Illinois.. 342pp.); Ring-necked Snake (Diadophis punctatus punctatus: Yarrow, Henry C. 1876. List of Skeletons and Crania in the Section of Comparative Anatomy of the United States Army Medical Museum for use during the International Exhibition of 1876 in Connection with the Representation of the Medical Department U.S. Army. Army Medical Museum, Washington, D. C. pp.); Diadophis arnyi (Arny's Ring-necked Snake: Jordan, David S. 1878. Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species. Second Edition, Revised, and Enlarged. Jansen, McClurg & Company, Chicago. pp.); Ring-necked Snake (Diadophis punctatus: Jordan, David S. 1878. Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species. Second Edition, Revised, and Enlarged. Jansen, McClurg & Company, Chicago. pp.); Texas Ring-necked Snake (Daidophis punctatus stictogenys: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Arny's Ring-necked Snake (Diadophis arnyi: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Ring-necked Snake (Diadophis dysopes: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Ring-necked Snake (Diadophis punctatus amabilis: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); California Ring-necked Snake (Diadophis punctatus pulchellus: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Ring-necked Snake (Diadophis punctatus punctatus: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Regal Ring-necked Snake (Diadophis regalis: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Ring Snake (Diadophis punctatus: Garman, H. 1892. A synopsis of the reptiles and amphibians of Illinois. Illinois Laboratory of Natural History Bulletin 3():215-403); Ring-necked Snake (Diadophis punctatus: Hay, Oliver P. 1892. Batrachians and Reptiles of the State of Indiana. Pages 409-624 in 17th Annual Report of the Indiana Department of Geology and Natural Resources, William B. Burford, Printer and Binder, Indianapolis, Indiana. pp.); Western Ring-neck Snake (Diadophis amabilis: Van Denburgh, John. 1897. The reptiles of the Pacific Coast and Great Basin: An account of the species known to inhabit California, and Oregon, Washington, Idaho, and Nevada. Occasional Papers of the California Academy of Sciences 5():9-236); Texas Ring-necked Snake (Diadophis stictogenys: Beyer, George. 1900. Louisana herpetology. Proceedings of the Louisiana Society of Naturalists 1897-1899():24-46); Pacific Ring-necked Snake (Diadophis amabilis: Brown, Arthur, E. 1902. Report of the Board of Directors. Pages 5-22 in Thirtieth Annual Report of the Board of Directors of the Zoological Society of Philadelphia. Allen, Lane, and Scott, Philadelphia, Pennsylvania. pp.); Arny's Ring-necked Snake (Diadophis regalis: Branson, Edwin B. 1904. Snakes of Kansas. University of Kansas Science Bulletin 2(13):353-430); Ring-necked Snake (Diadophis punctatus: Drowne, Frederick P. 1905. The reptiles and batrachians of Rhode Island. Monograph of the Roger Williams Park Museum 15():1-24); Ring Necked Snake (Diadophis punctatus: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Ring-necked Snake (Diadophis regalis arnyi: Hurter, Julius. 1911. Herpetology of Missouri. Transactions of the Academy of Science St. Louis 20(5):59-274); Regal Ring-necked Snake (Diadophis regalis: Strecker, John K. 1922. An annotated catalogue of the amphibians and reptiles of Bexar County, Texas. Bulletin Scientific Society of San Antonio (4):1-31); Sonoran Ring-neck Snake (Diadophis regalis: Van Denburgh, John. 1922. The Reptiles of Western North America: An Account of the Species Known to Inhabit California and Oregon, Washinton, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora, and Lower California. Volume I. Lizards. California Academy of Sciences, San Francisco. 556pp.); Western Ring-necked Snake (Diadophis amabilis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Western Ring-necked Snake (Diadophis amabilis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Pacific Ring-necked Snake (Diadophis amabilis amabilis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); San Bernardino Ring-necked Snake (Diadophis amabilis modestus: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Northwestern Ring-necked Snake (Diadophis amabilis occidentalis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Coral-bellied Ring-Necked Snake (Diadophis amabilis pulchellus: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Southern California Ring-necked Snake (Diadophis amabilis similis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Van Denburgh's Ring-necked Snake (Diadophis amabilis vandenburghi: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Eastern Ring-necked Snake (Diadophis punctatus: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Prairie Ring-necked Snake (Diadophis punctatus arnyi: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Northern Ring-necked Snake (Diadophis punctatus edwardsii: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Southern Ring-necked Snake (Diadophis punctatus punctatus: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Mississippi Ring-necked Snake (Diadophis punctatus stictogenys: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Southwestern Ring-necked Snake (Diadophis regalis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Arizona Ring-necked Snake (Diadophis regalis arizonae: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); Southwestern Ring-necked Snake (Diadophis regalis regalis: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.); California Ring-necked Snake (Diadophis amabilis amabilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis amabilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Pacific Ring Neck Snake (Diadophis amabilis amabilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ringed Neck Snake (Diadophis amabilis amabilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring Neck Snake (Diadophis amabilis amabilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis amabilis amabilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis amabilis modestus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Los Angeles Ring Neck Snake (Diadophis amabilis modestus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring Neck Snake (Diadophis amabilis modestus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); San Bernardino Ring-necked Snake (Diadophis amabilis modestus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis modestus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sonoma Ring Neck (Diadophis amabilis occidentalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sonoran Ring-necked Snake (Diadophis amabilis occidentalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis occidentalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sonoma Ring-neck Snake (Diadophis amabilis occidentalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Northwestern Ring-neck Snake (Diadophis amabilis occidentalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Northwestern Ring-necked Snake (Diadophis amabilis occidentalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Beautiful Ring Snkae (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Coral-bellied Ring Necked Snake (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sierran Ring Neck Snake (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sierran Ring-necked Snake (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); California Ring-necked Snake (Diadophis amabilis pulchellus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis regalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis similis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis amabilis similis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); San Diegan Ring Neck Snake (Diadophis amabilis similis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); San Diegan Ring-necked Snake (Diadophis amabilis similis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); California Ring-necked Snake (Diadophis amabilis similis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); South California Ring-necked Snake (Diadophis amabilis similis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis amabilis vandenburghi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-neck Snake (Diadophis amabilis vandenburghi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Van Denburgh's Ring-neck Snake (Diadophis amabilis vandenburghi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Lower California Ring Neck Snake (Diadophis anthonyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blue Racer (Diadophis punctatus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blue Racer (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Arny's Ring-necked Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Prairie Ring-necked Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sonoran Ring-necked Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ozark Ring Neck (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Arny's Ring-neck Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ozark Ring-neck Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ringed Neck Snake (Diadophis punctatus arnyi: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blue Racer (Diadophis punctatus docilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Texas Ring-neck Snake (Diadophis punctatus docilis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Eastern Ring Neck (Diadophis punctatus edwardsii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Northern Ring Neck (Diadophis punctatus edwardsii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Northeastern Ring Neck (Diadophis punctatus edwardsii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Northeastern Ring-necked Snake (Diadophis punctatus edwardsii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ringed Neck Snake (Diadophis punctatus edwardsii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Southeastern Ring-neck Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Southern Ring-necked Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Punctate-viper (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Common Ring-necked Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Southeastern Ring Neck Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Southern Ring-neck Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Southeastern Ring-necked Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Southern Ring Neck Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Red Viper (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ring Snake (Diadophis punctatus puncataus: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Texas Ring-neck Snake (Diadophis punctatus stictogenys: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ring Snake (Diadophis punctatus stictogenys: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Common Little Ring-necked Snake (Diadophis punctatus stictogenys: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Mississippi Ring-neck Snake (Diadophis punctatus stictogenys: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Mississippi Valley Ring-neck Snake (Diadophis punctatus stictogenys: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sonoran Ring-necked Snake (Diadophis regalis regalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ring Snake (Diadophis regalis regalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sonoran Ring Neck Snake (Diadophis regalis regalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Regal Ring-necked Snake (Diadophis regalis regalis: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Ring Snake (Diadopohis punctatus edwardsii: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Western Ring-necked Snake (Diadophis amabilis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Pacific Ring-necked Snake (Diadophis amabilis amabilis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); San Bernardino Ring-necked Snake (Diadophis amabilis modestus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Coral-bellied Ring-necked Snake (Diadophis amabilis pulchellus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); San Diegan Ring-necked Snake (Diadophis amabilis similis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Monterey Ring-necked Snake (Diadophis amabilis vandenburghi: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Ring-necked Snake (Diadophis punctatus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Prairie Ring-necked Snake (Diadophis punctatus arnyi: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Texas Ring-necked Snake (Diadophis punctatus docilis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Northeastern Ring-necked Snake (Diadophis punctatus edwardsii: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Eastern Ring-necked Snake (Diadophis punctatus edwardsii: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Southeastern Ring-necked Snake (Diadophis punctatus punctatus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Mississippi Ring-necked Snake (Diadophis punctatus stictogenys: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Regal Ring-necked Snake (Diadophis regalis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Big Bend Regal Ring-necked Snake (Diadophis regalis blanchardi: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Regal Ring-necked Snake (Diadophis regalis regalis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Northwestern Ring-necked Snake (Diadophpis amabilis occidentalis: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.);