12. ENYALIUS. 117 
ones; the four or five series contiguous to the dorsal crest larger, 
thomboidal, strongly keeled, the keels obliquely directed upwards. 
Limbs moderately long, covered with unequal strongly keeled scales ; 
the adpressed hind limb reaches the tympanum or the temple; digits 
rather short, sharply denticulated. No femoral pores. Tail com- 
pressed, as long as or a little longer than head and body, covered 
with strongly keeled scales of unequal size forming regular segments. 
Yellowish or greyish above, with more or less distinct darker mark- 
ings, viz. irregular oblique bands down the sides, or a network; tail 
with brown annuli; lower surfaces brownish white; the male’s 
throat bright yellow. 
Total length .......... 235 millim. 
FLGAd oss ees age es BZ” iss 
Width of head ........ 25 —(,, 
BODY sa gixccda ht meen ewes 88. 5; 
Fore limb ............ 59, 
Hind limb............ Loy 45 
WL get src sade einsein 115, 
Eastern Peru. 
aod. Cashiboya. Messrs. Veitch [P.]. (Type.) 
b-c. 6 9. Yurimaguas, Huallaga River. Dr. Hahnel rod 
12. ENYALIUS. 
Uraniscodon, part., Kaup, Isis, 1826, p. 89. 
Ophryoessa, pert Fitzing. N. Classif. Rept. p. 17; Wiegm. Herp. 
Mex. 
Hayaliue, Wagler, Syst. Amph. p. 150; Dum. § Bibr. iv. p. 230; 
Fitzing. Syst. Rept. p. 57; Gray, Cat. "Liz. p. 195. 
Leemanctus, hae Wiegm. l. e. pp. 16, 46; Dum. § Bibr. p. 70. 
Dryophilus, Fitzing. 1. c. 
Urostrophus, part., Fitzing. 1. c. p. 62; Cope, Proc. Ac. Philad. 1864, 
. 176. 
Ecphymotes, part., Gray, Cat. p. 184. 
Tympanum distinct. Body feebly compressed; a slight dorso- 
nuchal crest; dorsal scales small. Head-scales small. A trans- 
verse gular fold; no gular pouch. Digits scarcely compressed, not 
denticulated laterally, with smooth or obtusely keeled lamelle in- 
feriorly. Nofemoral pores. Tail long, round or slightly compresssd. 
Lateral teeth tricuspid; pterygoid teeth*. No sternal fontanelle. 
Abdominal ribs. 
South America. 
Synopsis of the Species. 
I. Lateral scales not distinctly keeled. 
Nostril considerably nearer the tip of the 
snout than the orbit; tibia longer than 
the head ; ventral scales strongly keeled.. 1. catenatus, p. 118, 
* Absent in EL. fitzingeri ? 
