Batrachians and Reptiles. 401 



narrower than the frontonasal ; interparietal a little larger 

 tlian the parietals, followed by three small occipitals, forming 

 a triangle ; three supraoculars ; no loreal ; a series of infra- 

 orbitals; six upper labials; chin-shiel Is, one anterior and 

 three pairs meeting on the me;lian line; eight series of scales 

 between the chin-shields and the edge of the collar; collar- 

 shields 9. Dorsal scales quadrangular, keeled, more than 

 twice as long as broad ; lateral scales smaller, but not 

 gianular; 30 scales round the middle of the body, ventrals 

 included ; 29 scales from occiput to base of tail. Ventrals 

 large, quadrangular, in eight longitudinal and nineteen trans- 

 verse seiies. A pair of large praianals. Femoral pores 7-S. 

 Scales on the tail like those on the body. Brown above, 

 darker on the sides ; a yellowish dark-e Iged streak on each 

 side of the head, behind the eye, and of tlie anterior part of 

 the back ; a series of 7 or 8 black ocelli with small white 

 centres on each side of the body, begiiniing beneath the liglit 

 lateral streak ; sides of head yellowish, mottled with dark 

 brown ; belly uniform yellowish, throat dotted with dark 

 brown. 



raillim. 



Total length 107 



Head . '. 9 



Width of head 4-5 



From end of snout to fore limb 13 



From end of snout to vent 35 



Fore limb 9 



Hind limb 12 



Tail 7-2 



A single specimen from the Marcapata Valley, E. Peru, 

 collected by Mr. Oekenden. 



IJomalocranium marcapatce. 



Eye half as long as the snout, which is broadly rounded and 

 feebly projecting. Rostral considerably broader tlian deep, 

 scarcely visible from above ; internasals two thirds the lengtii 

 of the prasfrontals ; frontal pentagonal, more than twice as 

 broad as the supraocular, a little longer than broad, a little 

 longer than its distance from the end of the snout, shorter 

 than the parietals ; nostril between two nasals ; a small 

 loreal; one prte- and two postoculars ; temporals 1 + 2; 

 seven upper labials, third and fourth entering the eye ; lirst 

 lower labial in contact with its fellow behind the synip'.iysial ; 

 four lower labials in contact with the anterior chin-shitlds, 

 which are slightly longer than the posterior. Scales in tifteen 

 rows. Ventrals 180; anal single; subcaudals 47, Red 



