120 COLUBRID. 
159. MANOLEPIS. 
Manolepis, Cope, Proc. Amer. Philos. Soc, xxii. 1885, p. 176. 
Maxillary teeth 15, small, equal, followed, after an interspace, by 
a pair of enlarged grooved fangs situated behind the vertical of the 
eye; anterior mandibular teeth much longer than the posterior. 
ead distinct from neck; eye large, with vertically subelliptic 
pupil; nasal single; frontal narrow. Body cylindrical; scales 
smooth, without pits, in 19 rows; ventrals rounded. Tail moderate ; 
subcaudals in two rows. 
Mexico. 
1. Manolepis putnami. 
Dromicus putnami, Jan, Elenco, p. 67 (1863), and Icon. Gén. 24, 
pl. vi. fig. 3 (1867); Garm. N. Am. Rept. PP. 59, 153 (1883). 
Tomodon nasutus, Cope, Proc. Ac. Philad. 1864, p. 166; Bocourt, 
Miss. Sc. Mex., Rept. p. 641 (1886). 
Manolepis eae Nt Proc. Amer. Philos. Soc. xxii. 1885, p. 176. 
erg (Ocyophis) putnami, Bocourt, op. cit. p. 714, pl. 1. fig. 3 
890 
Philodryas putnami, Giinth. Biol. C.-Am., Rept. p. 166 (1895). 
Eye about two thirds the length of the snout, which is truncate 
and rather prominent. Rostral much broader than deep, scarcely 
visible from above ; internasals shorter than the preefrontals ; frontal 
twice to twice and a half as long as broad, longer than its distance 
from the end of the snout, as long as the parietals ; loreal elongate 
or absent (fused with the prefrontal); one prwocular, extending 
to the upper surface of the head but not reaching the frontal ; two 
postoculars ; temporals 1+ 2; eight upper labials, third, fourth, and 
fifth entering the eye ; five lower labials in contact with the anterior 
chin-shields, which are a little shorter than the posterior. Scales 
in 19 rows. Ventrals 171-186; anal divided; subcaudals 69-83, 
Yellowish or pale brownish above, with a brown, darker-edged 
vertebral stripe three scales wide ; head speckled with blackish, more 
closely on the lip; lower parts whitish, speckled with brown. 
Total length 550 millim.; tail 140.—The young specimen in the 
Collection measures 265 millim. ; tail 63. 
Mexico, : 
a, Yg.(V.176; C. La Cumbre de los Arrastrados, Dr. A. C. Buller 
89), alisco, 8500 feet. [C.]}. 
160, TOMODON. 
Tomodon, part., Dum. § Bibr, Mém. Ac. Se. xxiii. 1858, p. 495, and 
Erp. Gén, vii. P. 932 (1854); Giinth. Cat. Col. Sn. p. Fp (1858) ; 
Jan, Arch, Zool. Anat, Phys. ii. 1862, p. 322. 
Opisthoplus, Peters, Sitzb. Akad. Berl. 189, p. 1148. 
Maxillary short, with 5 to 8 small teeth increasing in size and 
followed by a pair of enormous grooved fangs situated below the 
‘eye; anterior mandibular teeth a little larger than the posterior, 
