. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. POISONOUS SNAKES OF NORTH AMERICA. 423 ^^^k^fe^^5;> vH:> ?. HEAD OF CROTALUS, FROM SIDE. ilnfralabials: I loreal; P lower loreal; I'' upper loreal; )i ' auterior nasal; a'posterior nasal; p preocular; r rostral; « siipralabials; s'1st supralabial; s 2 2itl-il osfrTl /W^TW. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illu
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. POISONOUS SNAKES OF NORTH AMERICA. 423 ^^^k^fe^^5;> vH:> ?. HEAD OF CROTALUS, FROM SIDE. ilnfralabials: I loreal; P lower loreal; I'' upper loreal; )i ' auterior nasal; a'posterior nasal; p preocular; r rostral; « siipralabials; s'1st supralabial; s 2 2itl-il osfrTl /W^TW. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840
