28. URANISCODON.—29, sTROBILURUS, 181 
than twice the length of head and body. Greyish-olive or greenish 
above, spotted or marbled with dark brown, which colour forms 
more or less distinct cross bands on the back and limbs; a collar of 
black marblings ; lower surfaces whitish, throat black. 
millim. millim. 
Total length........ 394 Fore limb ...... 82 
Gad» ein val ogadeew acs 33 Hiud limb ...... 123 
Width of head...... 33 PBI s oo iiawsia eeas ws 250 
Body ass gece wei we 111 
South America. 
a-b,c. 3, 2,& yg. Island of Granada. 
d-e. SQ. Trinidad. 
tig 3. Venezuela. 
A. Q. Demerara Falls. 
Zz, QD, Pebas. H. W. Bates, Esq. [C.]. 
ke Yg. Pallatanga, Ecuador. Mr. Buckley [C.}. 
Lm. 3 & her. Cayaria, Peru. Messrs. Veitch [P.]. 
no. 8. America. 
29. STROBILURUS. 
Strobilurus, Wiegm. Herp. Mex. p.18; Dum. & Bibr. iv. p. 353; 
Fitzing. Syst. Rept. p. 71; Gray, Cat. Liz. p. 222. 
Tympanum distinct. Body depressed; a slightly serrated dorsal 
ridge ; dorsal scales imbricate, uniform. Upper head-scales slightly 
enlarged, occipital very large. A curved fold in front of each 
shoulder, not extending across the throat. Digits compressed, bent 
at the articulations, with keeled lamelle inferiorly. No femoral or 
preanal pores. Tail rather short, subcylindrical, with whorls of 
large spinose scales. Lateral teeth tricuspid; no pterygoid teeth. 
A large sternal fontanelle. No abdominal ribs. 
Brazil. 
1. Strobilurus torquatus. 
Strobilurus torquatus, Gray, Cat. p, 222. 
Strobilurus torquatus, Wiegm. 1. c.; Dum. § Bibr. p. 854, 
Steironotus (Strobilurus) torquatus, Futzing. 1. c. 
Doryphorus spinosus, Guichen. in Casteln. Am. Mér., Rept. p. 27, 
pl. vii. fig. 1. 
Snout short; nostril small, turned upwards; upper head-scales 
with small granular asperities; a series of transversely enlarged 
supraocular scales ; occipital as long as broad or a little broader than 
long, as broad as the supraocular region ; seven or eight upper and 
six or seven lower labials; temporal scales keeled ; ear-opening 
rather large, with two or three small projecting lobes anteriorly. 
Sides of neck strongly plicate; a strong antehumeral fold; one or 
two irregular feeble folds across the throat. Body short, depressed, 
