'in DEGKXKUATIOX IN LIMBS OF LIZAKDS. 



the distal tarsal of the third digit, as in Figs. 3c and 3d. In 

 Fig. 3d the elements, one on each side of the median single digit, 

 are probably to be interpreted as the reduced metatarsals of the 

 second and fourth digits, the corresponding distal tarsalia having 

 disappeared, leaving on!}' the one in connection with the axial 

 diirit. 



C. 



Fic. .'5. — Various stages in reduction of liiiid-iimbs of C'/iamap.'--ui(i(i <nujunia. 

 pvi. femur, t. tibia, /. fibula, II and III digits, IV metatarsus fourth digit. 



