Rattlesnake Small 320×278 Medium 640×555 Large 1024×888 Download Tiff Original 2767×2400 | (6.3 MB) Description Dissection of head of rattlesnake; showing fangs (f) and poison sac (p). Keywords anatomy, poisonous snakes, Reptile, reptilian, serpent, snake, squamata Galleries Reptile Anatomy Source: Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 204
