6. POLYCHRUS. 99 
throat. Scales on the body unicarinate, juxtaposed on the flanks, a 
little larger and imbricate on the belly and the middle of the back. 
Limbs moderately elongate; the adpressed hind limb reaches the 
elbow in the female, the axilla or the shoulder in the male. Nine to 
eleven femoral pores on each side. Tail nearly three times as long as 
head and body, covered with equal, keeled scales. Colour and markings 
very variable ; upper surfaces usually reddish-brown in spirit, with 
blackish spots or symmetrical transverse markings ; the sutures be- 
tween the head-shields black; black lines radiating from the eye, 
the two most constant being directed to above the tympanum and to 
the angle of the mouth; lower surfaces paler, uniform or brown- 
spotted. 
Ge Re 
Total length .... 395 497 millim. 
Head cence ne 26 32. —C,, 
Width of head 18 20°, 
Body gar tances 79 AAO: 5, 
Fore limb ...... 42 50, 
Hind limb...... 62 69 a; 
Pail sae ee ae 290 355 _——=, 
South America. 
a,b. Q & her. Venezuela. 
c,d. Q & her. Demerara. 
e-g. SQ. Berbice. 
h-l. SQ. Para. R. Graham, Esq. [P.]. 
m. Q. Bahia. Dr. Wucherer iM 
n. Q. Brazil. Lord Stuart [P.]. 
0 Ss. Brazil. T. Bell, Esq. [P.]. 
BGO SQ. Brazil. 
s. Ad., skeleton. Brazil. 
t,u. Ad., stuffed. —-? 
2. Polychrus acutirostris. 
Spherops anomalus, Gray, Cat. p. 184. 
Eephymotes acutirostris, Gray, ¢. c. p. 185. 
Polychrus acutirostris, Spix, Spec. Nov. Lacert. p. 15, pl. xiv. a. ; 
Cope, Proc. Ac. Philad. 1864, p. 176; Peters, Mon. Berl. Ac. 1877, 
. 410. 
Borhsmotes acutirostris, Futzing. N. Class. Rept. p. 49. 
Polychrus anomalus, IViegm. Herp. Mex. p. 16; Dum. §& Bibr. 
p. 69; Reink, § Liith. Vidensk. Meddel. 1861, p. 221; Bocourt, 
Miss. Sc. Mex., Rept. pl. xvii. fig. 7; Boettg. Zeuschr. f. Naturw. 
lviii, 1885, p. 214. ; 
Leemanctus acutirostris, Dum. § Bibr. p. 75. 
Snout more pointed than in the preceding ; nostril a little nearer 
the orbit than the tip of the snout; eye-opening very small; upper 
head-scales as in the preceding. Gular scales smooth, elongate, 
smaller than ventrals, forming longitudinal series separated by 
granules on the gular pouch ; no denticulation. Scales is the body 
H 
