Reptiles from Peru and Bolivia. 549 



brown, white-edged streak, wideniiii^ beneath, extending 

 obliquely backwards from the eye to the edge of the mouth ; 

 greyish beneath, with white spots on the limbs; incomplete 

 whitish annuli on tiie tail. 



millim. 



Total length 210 



Head 19 



Width of head 14 



Body 51 



Fore limb 37 



Hind limb 62 



Tail 140 



A single specimen (probably immature), from Perene, 

 2600 feet. 



This species is allied to L. aculeaius, O'Sh., but differs in 

 the smaller head-shields, the smaller dorsal scales, and the 

 interrupted lateral crest. 



Euspondylus Simonsii. 



Very closely allied to E. maculatus, Tschudi. Distinguished 

 by the more slender form, the undivided transparent disk of 

 the lower eyelid, the distinctly striated dorsal scales, and by 

 the proportions and dispositions of some of the head-shields. 

 Interparietal much larger than the frontal, in contact with an 

 azygous occipital ; third pair of chin- shields widely separated 

 from each other. 34 scales round the middle ot the body, 

 36 from occiput to base of tail. Brownish above, whitish 

 beneath, dotted with greyish ; a dark streak on each side of 

 the head and neck ; a dark, light-edged, festooned band along 

 each side of the tail. 



millim. 



Total length 113 



Head 11 



"Width of head o 



From end of snout to fore limb 16 



From end of snout to vent 48 



Fore limb 12 



Hind limb 16 



Tail 05 



A single female specimen from Puntoyacu, Peren^ River, 

 6000 feet. 



