Frog Small 228×320 Medium 455×640 Large 728×1024 Download TIFF Original 1707×2400 | (3.9 MB) Description A ventral view of a frog's internal nervous system. Keywords amphibia, amphibian, anatomy, frog, frogs, nervous system of a frog Galleries Amphibian Anatomy Source: Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 188
