286' CIRCUS. 



and slightly emarginate at tlie extremity. (Esophagus 

 wide and much dilated above the middle ; the proven- 

 triculus glandular and very wide below ; .the stomacli 

 roundish, compressed, its central tendons small but dis- 

 tinct ; the pylorus without valvular prominences, the 

 intestine a little wider at its upper part, after which it 

 is nearly uniform in diameter to the rectum, at the com- 

 mencement of which are two very small coeca. 



Nostrils large, ovato-oblong, in the middle and fore 

 part of the cere, nearer the ridge than the edges, and 

 having an oblique plate from the upper edge. Eyes 

 large ; eyelids feathered and edged with bristles. Aper- 

 ture of the ear very large broadly elliptical. 



Head of moderate size, oblong ; the body light, as 

 deep as broad anteriorly, much compressed behind ; the 

 neck rather short. The legs long and slender ; tibiae 

 long but muscular ; tarsi long, compressed, with large 

 oblique scutella on the fore and outer side, oval or sub- 

 hexagonal scales on the sides, and scutella behind, ex- 

 cepting at the upper and lower parts ; toes small, slen- 

 der, the outer with a short web at the base connecting 

 it with the third, first considerably shorter than second, 

 fourth a little longer than the latter, third much longer ; 

 all covered above with scutella, unless at the base, 

 where there are small scales, beneath tuberculate and 

 papillate, there being a long fleshy tubercle on the last 

 joint of each toe, and one on the next joint of the two 

 outer ; claws long, compressed, rounded above, flat be- 

 neath, curved into the fourth of a circle, those of the 

 fiirst and second largest, that of the third with a slight 

 internal edge, of the fourth much smaller and less 

 curved. 



