1. GERRHONOTUS. 275 
Gerrhonotus kingii, O’Shaughn. Ann. § Mag. N. H. (4) xii. 1878, 
p. 46; Bocourt, Miss. Se. Mex., Rept. p. 339, pl. xxi. c. fig. 2. 
Head-shields smooth ; three large preefrontals, the anterior broader 
than long and normally separated from the frontal by the posterior 
pair; two pairs of small shields between the rostral and the odd 
prefrontal ; nasal in contact with the rostral; two superposed post- 
nasals and two loreals ; five large inner and two or three small outer 
supraoculars ; ten upper labials. Sides of neck granular. Lateral 
fold very strong, beginning on the neck. Nuchal shields smooth, in 
ten or twelve longitudinal series. Dorsal scales in fourteen or 
sixteen longitudinal series, those of the median series obtusely 
keeled, the laterals smooth; in size nearly equalling the ventrals ; 
fifty to fifty-three transverse series. Ventrals in twelve longi- 
tudinal series. Limbs and tail as in G. ceruleus. Brownish above, 
with dark brown cross bands. 
From snout to vent 110 millim.; tail 280 millim. 
Mexico; New Mexico. 
Dr. Giinther regards this as one of the variations of G. ceruleus 
(1. c. p. 39), 
a. Ad., bad state. Mexico. T. Bell, Esq. [P.]. (Type.) 
b. Ye. Deming, New Mexico. Mr. Forrer [C.]. 
13. Gerrhonotus liocephalus. 
Gerrhonotus tessellatus, Gray, Cat. p. 53. 
Gerrhonotus liocephalus, Wieym. Isis, 1828, p. 381; Bocourt, Miss. 
Sc. Mex., Rept. p. 342, pl. xxi. a. figs. 1, 2; Giinth, Biol. C.-Am., 
Rept. p. 41. 
Scincus ventralis, Peale § Green, Journ. Ac. Philad, vi. 1830, p. 233. 
Gerrhonotus tessellatus, Wiegm. Herp. Mex. p. 32, pl. x. fig. 3; 
Dum. & Bibr. v. p. 405. 
? Gerrhonotus infernalis, Baird, Proc. Ac. Philad. 1858, p. 255. 
Gerrhonotus ophiurus, Cope, Proc. Ac. Philad. 1866, p. 321, 
lemniscatus, Bocourt, Nouv. Arch. Mus. vii. 1872, Bull. p. 105. 
Pterogasterus ventralis, Cope, Proc. dm. Philos, Soc. xvii. 1877, 
6 
—— tessellatus, Cope, J. c. 
—— ophiurus, Cope, 1. ¢. 
infernalis, Cope, 1. ¢. 
—— lemniscatus, Cope, 1. c. 
Head-shields smooth ; three large preefrontals, forming a triangle ; 
three pairs of small shields between the latter and the rostral, the 
two front pairs usually separated by a small azygos shield; nasal 
separated from the rostral; two superposed postnasals; two or 
three loreals, the posterior sometimes fusing with the canthal; three 
outer supraoculars ; ten to thirteen upper labials. Sides of neck 
with granular scales. Lateral fold very strong, extending on the 
neck. Dorsal scales in fourteen or sixteen longitudinal series, the 
eight or ten median series strongly keeled, the others smooth ; 
forty-nine to fifty-five transverse series. Ventrals nearly as large 
as dorsals, in twelve longitudinal series. Limbs very variable in 
length. Tail a little compressed at the base, once and two thirds to 
T2 
