23. ELSPONDYLUS. 407 



3, Eiispondylus acutirostris. 



Ecpleopus (Euspoudylus) acutirostris, Peters, I. c. p. 209. 



Snout acutely pointed. Scaling apparently very similar to that 

 of E. giientheri, but with the following difTercnces : — Nineteen 

 transverse series of scales from the chin-shields to the edge of the 

 collar ; nuchal scales smaller, more hexagonal ; dorsal scales feebly 

 keeled ; forty-two scales from occiput to base of tail, and twenty- 

 seven transverse rows of ventral shields. Ten or eleven femoral 

 pores on each side. Greenish brown above ; a white, inferiorly 

 black-edged, line on each side, beginning from above the eye and 

 breaking up into spots on the hinder half of the back ; sides of body 

 brown, with a series of seven to nine very small ocelli with white 

 centre ; lower surface of head and body greenish bronze. 



aiillim. millim. 



Total length 157 Fore limb 16 



Head 15 Hind limb 21 



Width of head 8 Tail 101 



From end of snout to vent 56 



Venezuela. 



4. Euspondylus guentheri. 



Ecpleopus (Euspondylus) guentheri, 0' Shaucjhn, Proc. Zool. Soc. 

 1881, p. 235, pi. xxiii. fig. 1. 



Head not distinct from neck, body slender and elongate. Fronto- 

 nasal longer than broad ; interparietal large, longer than parietals, 

 hexagonal ; parietals forming an oblique suture with a large supra- 

 temporal ; a pair of large occipitals ; four supraorbitals, anterior 

 smallest; loreal large, no frenoorbital ; a series of large infraorbitals ; 

 temples with large shields ; seven upper and six lower labials ; chin- 

 shields, one anterior and four pairs, the two first pairs forming a 

 suture ; gular scales large, quadrangular, forming regular transverse 

 series, largest anteriorly ; collar-shields eight ; eleven transverse 

 series of scales from tlie chin-shields to the edge of the collar. 

 Dorsal scales large, regular, perfectly smooth, elongate quadrangular, 

 as long as, but narrower than the ventrals ; lateral scales very small, 

 suboval ; thirty-five scales round the middle of the body, including 

 ventrals, and thirty-two from occiput to sacrum inclusively. Ventral 

 plates in ten or twelve longitudinal and twenty-one transverse series." 

 Two large anterior and five narrow posterior praanals. Lim})s with 

 large smooth shields ; digits elongate. INFalo with eight pr?eanal 

 pores on each side. Caudal scales like those of the body. Pale 

 brown above, with eight transverse black bars on the neck and back, 

 some of which are broken up ; similar bars and spots on the tail ; 

 head above with round black spots ; lower surfaces yellowish white, 

 with roundish dark-brown spots, largest on the labial region. 



