520 
THE SNAKES OF SOUTH AFRICA. 
CLAW-BONE 
FEMUR 
ISCHIO-PuBIC RUDIMENT 
Fic. S.—The remote ancestors of snakes were lizard-like creatures with 
limbs. This illustration shows the rudimentary hind limbs of the 
South African Python, 
(From an illustration in the British Museum Guide on Reptiles.) 
