230 JoURNAL OF COMPARATIVE NEUROLOGY. 
Knee 
Ankle 
Figure 7. Outline of Frog’s leg, showing the outline of the ventral aspect 
of right leg. AHi#p—marks the junction line of the body with the thigh. 
Knee—the junction line of the thigh with the shank. Am&/e—the junction 
line of the shank with the foot. D’—D.—length of tarsus plus second toe. 
M-A—length of fifth toe. A/’—#.—length of fourth toe. M’’—C—length of 
third toe. (Second toe measured with tarsus). J/ ’’—#—length of first toe. 
