270 ANGUIDE. 
millim. millim 
Total length ...... 208 Fore limb........ 25 
Head............ 20 Hind limb........ 28 
Width ofhead .... 16 Tae draie ale aera sane 114 
Body uy aici 74 
Mexico. 
4. Gerrhonotus teniatus. 
Abronia teniata, Gray, Cat. p. 53. 
Gerrhonotus teniatus, Wiegm. Isis, 1828, p. 380, and Herp. Mex. 
p. 82, pl. iv. fig. 1; Dum. & Bibr. v. p. 399. 
Abronia teniatus, Gray, Ann. N. H. i. 1838, p. 890. 
Gerrhonotus (Abronia) teniatus, Bocourt, Miss. Sc. Mex., Rept. 
p. 827, pl. xxi. a. figs. 4, 5. 
Closely allied to G. deppit. A small shield on each side between 
the anterior loreal and the central prefrontal. Dorsal scales a 
little smaller, less oblique, obtusely keeled; they form fourteen 
longitudinal series, and twenty-eight or twenty-nine transverse 
series. Ventrals in twelve longitudinal series. Limbs a little 
longer. Light green above, with transverse brown bands on the 
body and tail; an oblique black band on the temple ; lower parts 
yellow. 
millim. millim 
Total length ...... 216 Fore limb........ 24 
Head sa vencsxae ha os 20 Hind limb........ 28 
Width of head .... 16 TAT acts Gaga dte8 8 128 
Body ess sa xegees 68 
5. Gerrhonotus vasconcelosii. 
Gerrhonotus vasconcelosii, Bocourt, Neuv. Arch. Mus. vii. 1872, 
Bull. p. 107. 
(Abronia) vasconcelosii, Bocourt, Miss, Sc. Mex., Rept. p. 334, 
pl. xxi. fig. 3, & xxia. fig. 8. 
Head-shields smooth ; a pair of small shields behind the rostral 
and seven prefrontals, the two anterior in contact, the median 
separating the two other pairs and touching the frontal; nasal 
separated from the rostral; a small supranasal; two small super- 
posed postnasals; two loreals, second largest; three small outer 
supraoculars ; ten upper labials ; a series of short, obtusely conical, 
projecting scales above the ear. Sides of neck covered with granular 
scales. Lateral fold pretty well marked though not very deep, 
commencing in advance of the arm. Dorsal scales obtusely keeled, 
of the flanks smooth, in twelve or thirteen longitudinal and twenty- 
seven transverse series; ventrals smaller, in fourteen longitudinal 
series. ‘Tail moderately long, alittle depressed at the base. Bright 
green above, with broad angular blackish cross bands; the pro- 
