Hog-nose Snake (Anguis capite viperino: Catesby, Mark and Cromwell Mortimer. 1753. IX. A Continuation of an Account of an Essay Towards a Natural History of Carolina and the Bahama Islands. By Mark Catesby, F. R. S. with Some Extracts out of the Eighth Set. By Dr. Mortimer, Secr. R. S. Philosophical Transactions 39():251-258); Black Viper (viper: Catesby, Mark and Cromwell Mortimer. 1753. IX. A Continuation of an Account of an Essay Towards a Natural History of Carolina and the Bahama Islands. By Mark Catesby, F. R. S. with Some Extracts out of the Eighth Set. By Dr. Mortimer, Secr. R. S. Philosophical Transactions 39():251-258); Black Viper (Vipera nigra: Catesby, Mark. 1754. The Natural History of Carolina, Florida and the Bahama Islands: Containing the Figures of Birds, Beasts, Fishes, Serpents, Insects, and Plants: Particularly the Forest-trees, Shrubs, and other Plants, not Hitherto Described, or Very Incorrectly Figured by Authors. Together with Their Descriptions in English and French. To which, are Added Observations on the Air, Soil, and Waters: with Remarks upon Agriculture, Grain, Pulse, Roots, &c. To the Whole, is Prefixed a New and Correct Map of the Countries Treated of. , London. pp.); Hog-nose Snake (Boa contortrix: 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.); Hog-nose Snake (Coluber heterodon: James, Edwin. 1823. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, 1820. By order of the Hon. J. C. Calhoun, Secretary of War, under the command of Maj. S. H. Long, of the United States Top. Engineers. Compiled from the notes of Major Long, Mr. T. Say, and other gentlemen of the party by Edwin James, botanist and geologist to the expedition. In three volumes. [Volume 1]. Longman, Hurst, Rees, Orme and Brown, London, England. 344pp.); Hog-nose Snake (Coluber heterodon: Harlan, Richard. 1827. Genera of North American Reptilia, and a synopsis of the species Journal of the Academy of Natural Sciences Philidelphia 5(2):317-372); Moccason (Heterodon annulatus: Troost, Gerard. 1836. On a new genus of serpents, and two new species of the genus Heterodon, inhabiting Tennessee. Annals of the Lyceum of Natural History of New York 3():174-190); Hognose Snake (Heterodon niger: Troost, Gerard. 1836. On a new genus of serpents, and two new species of the genus Heterodon, inhabiting Tennessee. Annals of the Lyceum of Natural History of New York 3():174-190); Spreading Adder (Heterodon niger: Troost, Gerard. 1836. On a new genus of serpents, and two new species of the genus Heterodon, inhabiting Tennessee. Annals of the Lyceum of Natural History of New York 3():174-190); Highland Moccason (Heterodon tigrinus: Troost, Gerard. 1836. On a new genus of serpents, and two new species of the genus Heterodon, inhabiting Tennessee. Annals of the Lyceum of Natural History of New York 3():174-190); Hog-nose (: 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.); Hog-nosed Snake (Heterodon platyrhinos: 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.); Deaf Adder (Heterodon platyrhinos: 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.); Blauser (Heterodon platyrhinos: 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.); Spreading Adder (Heterodon platyrhinos: 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.); Buckwheat-nose (Heterodon platyrhinos: 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.); Hognose (Heterodon platyrhinos: 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.); Hognose (Heterodon platyrhinos: 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.); Blowing Viper (Heterodon platyrhinos: 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.); Spreading Adder (Heterodon platyrhinos: 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.); Checkered Adder (Heterodon platyrhinos: 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.); Hog-nose Snake (Heterodon platyrhinus: Royal College of Surgeons of England. 1859. Descriptive catalogue of the specimens of natural history in spirit contained in the Museum of the Royal college of surgeons of England. Vertebrata: Pisces, Reptilia, Aves, Mammalia. Taylor and Francis, London, England. pp.); Flat Head (Heterodon platyrhinos: 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); Blowing Adder (Heterodon platyrhinos: 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); Hog-nose Snake (Heterodon platyrhinus: 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.); Blowing Viper (Heterodon platyrhinus: 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.); Western Sand Viper (Heterodon platyrhinus: 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.); Hog Nose Snake (Heterodon platyrhinus: 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.); Blowing Viper (Heterodon platyrhinus: 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.); Blowing Adder (Heterodon platyrhinus: Coues, Elliott and Henry C. Yarrow. 1878. Notes on the natural history of Fort Macon, N. C. and Vicinity (No. 4). Proceedings of the Academy of Natural Sciences, Philadelphia 30():21-28); Puff Adder (Heterodon platyrhinus: Coues, Elliott and Henry C. Yarrow. 1878. Notes on the natural history of Fort Macon, N. C. and Vicinity (No. 4). Proceedings of the Academy of Natural Sciences, Philadelphia 30():21-28); Sand Viper (Heterodon platyrhinus: Coues, Elliott and Henry C. Yarrow. 1878. Notes on the natural history of Fort Macon, N. C. and Vicinity (No. 4). Proceedings of the Academy of Natural Sciences, Philadelphia 30():21-28); Hog-nose Snake (Heterodon platyrhinus: Coues, Elliott and Henry C. Yarrow. 1878. Notes on the natural history of Fort Macon, N. C. and Vicinity (No. 4). Proceedings of the Academy of Natural Sciences, Philadelphia 30():21-28); Black Hog-nose Snake (Heterodon platyrhinus atmodes: 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); Black Viper (Heterodon platyrhinus niger: 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); Spreading Adder (Heterodon platyrhinus niger: 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); Hog-nose Snake (Heterodon platyrhinus platyrhinus: 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); Blowing Viper (Heterodon platyrhinus platyrhinus: 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); Spreading Adder (Heterodon platyrhinus: Davis, N. S., and Frank L. Rice. 1883. List of Batrachia and Reptilia of Illinois. Bulletin of the Chicago Academy of Sciences 1(3):25–32); Hog-nosed Snake (Heterodon platirhinos: 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.); Viper (Heterodon platirhinos: 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.); Blowing Adder (Heterodon platirhinos: 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.); Spreading Viper (Heterodon platirhinos: 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.); Adder (Heterodon platirhinos: 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.); Blowing Viper (Heterodon platyrhinus: Garman, H. 1892. A synopsis of the reptiles and amphibians of Illinois. Illinois Laboratory of Natural History Bulletin 3():215-403); Hog-nose Snake (Heterodon platyrhinus: Garman, H. 1892. A synopsis of the reptiles and amphibians of Illinois. Illinois Laboratory of Natural History Bulletin 3():215-403); Spreading Adder (Heterodon platyrhinus: Garman, H. 1892. A synopsis of the reptiles and amphibians of Illinois. Illinois Laboratory of Natural History Bulletin 3():215-403); Spreading Adder (Heterodon platyrhinus: Beyer, George. 1900. Louisana herpetology. Proceedings of the Louisiana Society of Naturalists 1897-1899():24-46); Hog-nose (Heterodon platyrhinus: Beyer, George. 1900. Louisana herpetology. Proceedings of the Louisiana Society of Naturalists 1897-1899():24-46); Black Viper (Heterodon platyrhinus niger: Beyer, George. 1900. Louisana herpetology. Proceedings of the Louisiana Society of Naturalists 1897-1899():24-46); Spreading Viper (Heterodon platyrhinus: Branson, Edwin B. 1904. Snakes of Kansas. University of Kansas Science Bulletin 2(13):353-430); Hog-nosed Snake (Heterodon platyrhinus: Drowne, Frederick P. 1905. The reptiles and batrachians of Rhode Island. Monograph of the Roger Williams Park Museum 15():1-24); Blowing Adder (Heterodon platyrhinus: Drowne, Frederick P. 1905. The reptiles and batrachians of Rhode Island. Monograph of the Roger Williams Park Museum 15():1-24); Hog Nosed Snake (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Hog Nose Snake (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Adder (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Blowing Viper (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Hissing Viper (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Blower (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Spotted Adder (Heterodon platirhinos: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Spreading Viper (Heterodon platirhinos: Hurter, Julius. 1911. Herpetology of Missouri. Transactions of the Academy of Science St. Louis 20(5):59-274); Spread Head (Heterodon platirhinos: Hurter, Julius. 1911. Herpetology of Missouri. Transactions of the Academy of Science St. Louis 20(5):59-274); Puffing Adder (Heterodon contortrix: Stejneger, Leonard and Thomas Barbour. 1917. A Checklist of North American Amphibians and Reptiles. Harvard University Press, Cambridge, Massachusetts. pp.); Spreading Adder (Heterodon contortrix: Stejneger, Leonard and Thomas Barbour. 1917. A Checklist of North American Amphibians and Reptiles. Harvard University Press, Cambridge, Massachusetts. pp.); Hog-nose Snake (Heterodon contortrix: 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); Spreading Adder (Heterodon contortrix: 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); Common Hog-nosed Snake (Heterodon contortrix: 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.); Florida Hog-nosed Snake (Heterodon contortrix browni: 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.); Common Hog-nosed Snake (Heterodon contortrix contortrix: 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.); Punctuated Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spread Head Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Mountain Moccasin (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Common Hog-nosed Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Hog-nose Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Hog-nosed Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Flat Head Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hissing Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog-nosed Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sand Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spotted Spreading Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hissing Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blowing Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Viper Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Common Spreading Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Deaf Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog Nose Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Checquered Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Flat-headed Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Puffing Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spreading Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog-nosed Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blower (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); North American Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Puff Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Eastern Hog-nosed Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Mockeson (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog Nose Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog-nosed Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Sand Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Mockeson (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Blowing Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Bastard Rattlesnake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blowing Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hissing Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blowing Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); North American Hog-nosed Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Poison Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blow Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spread-head Moccasin (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Buckwheat Nose Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Chunkhead (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog Nose Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spread Head Moccasin (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Blow Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spread Head (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Black Hognose Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Red Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Red Snake (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Checkered Adder (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Spreading Viper (Heterodon platyrhinos: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Puff Adder (Heterodon platyrhinos browni: Wright, Albert Hazen. 1950. Common names of the snakes of the United States. Herpetologica 6(6):141-186); Hog-nosed Snake (Heterodon platyrhinos: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); South Florida Hog-nosed Snake (Heterodon platyrhinos browni: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Eastern Hog-nosed Snake (Heterodon platyrhinos platyrhinos: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Spreading Adder (Heterodon platyrhinos platyrhinos: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Puffing Adder (Heterodon platyrhinos platyrhinos: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Blow Snake (Heterodon platyrhinos platyrhinos: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.);