Frog Skeleton Small 320×265 Medium 640×530 Large 1024×848 Download Tiff Original 2400×1988 | (775.6 KB) Description The skeleton of a frog. Keywords amphibian skeleton, animal bones, frog bones, frog skeleton Galleries Amphibian Anatomy Source: Sarah Cooper Animal Life (New York, NY: Harper & Brothers, Franklin Square, 1887)