Ellipses of Swimming Frog Small 224×320 Medium 448×640 Large 716×1024 Download Tiff Original 1679×2400 | (266.4 KB) Description A diagram showing the motions a young frog makes while swimming. In this stage of life, the frog makes ellipses in order to move through the water. Keywords amphibian, diagram, ellipse, frog, swim, tadpole, water Galleries Amphibian Anatomy Source: Pettigrew, J. Bell Animal Locomotion (New York, NY: D. Appleton & Company, 1874)