23. BUSPONDYLUS. 407 
3. Euspondylus acutirostris. 
Ecpleopus (Euspondylus) acutirostris, Peters, J.c. p. 209. 
Snout acutely pointed. Scaling apparently very similar to that 
of EF. guentheri, but with the following differences :—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 balf 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. 
millim. nillim. 
Total length .......... 157 Fore limb... sexes saa 16 
Heads 12-5 osignen cn vines 15 Fund ig sg sewers 21 
Width of head ........ 8 Taal sagse diye canes pues 101 
From end of snout to vent 56 
Venezuela. 
4. Euspondylus guentheri. 
Ecpleopus (Euspondylus) guentheri, O’Shaughn. Proc. Zool, Soc. 
1881, p. 235, pl. 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 the 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 preanals. Limbs with 
large smooth shields; digits elongate. Male with eight praanal 
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. 
