7. CORYTHOPHANES. 103 
Width of head...... 0 12... 17 millim. 
Body wae se 34 eee ees 73 4, 
Hore: Lm Wien a <enie ee aieace cee 50, 
Hand limb s8.44 eee tees ST 35 
Tail seavinntes wee ene . . 200 ,, 
Guatemala ; Ecuador ? 
a9, Lanquin, Vera Paz. O. Salvin, Esq. [C.]. 
b-d. 3 Q. Ecuador (?). Mr. Fraser [C. ]. 
3. Corythophanes hernandesii. 
Chameeleopsis hernandesii, Gray, Cat. p. 194. 
Chameeleopsis hernandesii, (Wiegm.) Gray, Griff. .A. K. ix. Syn. p. 45; 
Wiegm. Isis, 1831, p. 298, and Herp. Mex. p. 38, pl. vi.; Gravenh. 
Acta Ac. Leop.-Carol. xvi. ii. 1883, p. 948, pl. Ixv. figs. 1-5; 
Gray, Zool. Beechey’s Voy. p. 94, pl. xxx. fig. 1. 
Corythophanes chameleopsis, Dum. §& Bibr. iv. p. 176; Sumichrast, 
Arch, Se. Phys. et Nat. xix. 1864, p. 58. 
—— (Chameleopsis) hernandesii, Fitzing. Syst. Rept. p. 52. 
mexicanus, Bocourt, Miss. Sc. Mex., Rept. p. 122, pl. xvii. 
fig. 1. 
The upper surface of the head constricted behind the supraciliary 
ridge, which ends in an angle; the parietal ridges uniting only a 
short distance in front of the extremity of the helmet; nostril 
equally distant from the orbit and the tip of the snout; upper head- 
scales keeled or striated ; a large bony tubercle or spine above the 
tympanum. Gular scales elongate, strongly keeled, forming longi- 
tudinal series, separated by granules; a feeble denticulation along 
the throat. Nuchal crest small, descending vertically from the 
cranial crest, not continuous with the serrated dorsal ridge. A 
distinct longitudinal fold on the scapular and iliac regions. Dorso- 
lateral scales irregular, unequal, the larger ones keeled; ventral 
scales large, strongly keeled. Limbs very long, covered with large 
keeled scales ; the adpressed hind limb reaches considerably beyond 
the tip of the snout. Tail as inthe preceding. Olive-brown above, 
with irregular blackish-brown spots or cross bands; the eyelids and 
the space between the orbit and the tympanum blackish brown ; 
lips with or without dark vertical bars; lower surfaces brownish, 
with darker spots. 
Total length............. .. 845 millim. 
Head (to extremity of helmet). 44  ,, 
Width of head.............. 20. —«,, 
BOO Ys tc Getech ecdnece anal lal MS 65, 
Fore mip ga sca gene et 55, 
Hind limb .............05. 108, 
PA Aeiyemed dane Wem wide lacy 250, 
Mexico. 
