404 TEIIDR. 
millim. millim. 
Total length...... 0.0... . 0.0 eee 123 155 
TUG a da ois coe uct hoe de ana ee 11 11 
Width of head...... 0.0... 0.0.05. 75 8 
From end of snout to fore limb ...... 18 20 
From end of snout to vent .......... 51 57 
Fore dim bu 2e sce. ausiekewss 16 18 
Handslimb: 3.20 oeysce ag canes ue’ 21 25 
Wall etea sya eae A anaGd ae gana ardor 72 98 
Andes of Ecuador. 
a-b. 3 & yg. W. Ecuador. Mr. Fraser (C.]. 
638% Quito. 
di. 3 Q. Tntac, Ecuador. Mr. Buckley [C.]. 
ke. Pichincha, Ecuador, Edw. Whymper, Esq. [P.]. 
11,000 feet. \ 
i, @. Peru? 
m-n. 2 & yg. P Mme. Pfeiffer [C.]. 
23. EUSPONDYLUS. 
Euspondylus, Tschudi, Arch. f. Naturg. 1845, p. 160; Peters, Abh, 
Berl. Ac, 1862, p. 206, 
Tongue moderately elongate, arrow-headed. Lateral teeth bi- or 
tricuspid, Head with large regular shields ; frontonasal separating 
the nasals ; preefrontals and frontoparietals present ; nostril pierced 
in a single (or divided) nasal. Hyelids developed, lower with a 
transparent disk formed of several scales. Ear exposed. Limbs 
well developed, pentadactyle. Dorsal scales smooth or very feebly 
keeled, quadrangular, juxtaposed, forming transverse series, separated 
from the ventrals by small scales; ventral plates large, smooth, 
quadrangular, forming regular longitudinal and transverse series. 
A strong collar fold. Tail cylindrical. Males with femoral pores, 
females without. 
Venezuela to Peru. 
Synopsis of the Species. 
I. Labials separated from orbit by a row of very small infra- 
orbitals. 
Dorsal scales much shorter than ventrals ; 
nasal in contact with the frenoorbital .. 1. strangulatus, p. 405, 
Dorsal scales nearly as long as ventrals; 
loreal separating the nasal from the 
frenoorbital cae aisles Lelobrea acne 2. maculatus, p. 406. 
II. Infraorbitals large. 
19 transverse series of scales from the chin- 
shields to the edge of the collar, and 42 
from occiput to base of tail.......... 3. acutirostris, p. 407. 
