270 COLUBRID. 
21. Contia frontalis. 
Toluca frontalis, Cope, Proc. Ac. Philad. 1864, p. 167. 
Ficimia olivacea, part., Peters, Mon. Berl. Ac. 1869, p. 875. 
Pseudoficimia pulchra, Bocourt, Miss. Se. Mex., Rept. p. 572, pl. xxxv. 
fiz. 12 (1883). P 
Ficimia frontalis, Garm. N. Am. Rept. p. 82 (1883). 
Geagras frontalis, Cope, Am. Nat. 1884, p. 163. 
Pseudoficimia frontalis, Giinth. Biol. C.-Am., Rept. p. 96 (1893). 
Snout short, projecting, pointed, slightly turned up at the end, 
concave above. Rostral large, its upper portion as long as or a 
little shorter than its distance from the frontal; nasal divided ; 
internasals shorter than the prefrontals ; frontal nearly as broad as 
long, as long as or a little shorter than its distance from the end of 
the snout, a little shorter than the parietals; supraocular about 
one third the width of the frontal; no loreal; one pre- and two 
postoculars ; temporals 1+2; seven upper labials, second or second 
and third in contact with the prefrontal, third and fourth entering 
the eye; three or four lower labials in contact with the anterior 
chin-shields ; posterior chin-shields very small. Scales in 17 rows. 
Ventrals 141-160; anal divided; subcaudals 38-48. Pale brown 
above, yellowish along the middle of the back, with three longitu- 
dinal series of brown, black-edged spots, those of the middle series 
largest, broader than long; a brown black-edged cross bar between 
the eyes, and vermiculations of the same colour ou the back of the 
head ; upper lip whitish, with some vertical brown spots ; lower 
parts uniform white. 
Total length 245 millim. ; tail 47. 
Mexico. 
a. g (V. 150; C. 48). Ventanas, Durango. Hr. A. Forrer [C.]. 
b. Her. (V.153; C.47). Presidio, nr. Mazatlan. Hr. A. Forrer [C. ]}. 
100, FICIMIA. 
Ficimia, Gray, Cat. Sn. p. 80 (1849); Jan, Arch. Zool. Anat. Phys. 
ii, 1862, p. 58; Bocourt, Miss. Sc. Mex., Rept. p. 569 (1888) ; 
Giinth. Biol. C.-Am., Rept. p. 98 (1893). 
Amblymetopon, Giinth. Cat. Col. Sn. p. 7 (1858). 
Gyalopion, Cope, Proc. Ac. Philad. 1861, p. 243, and Proe. U.S. 
Nat. Mus. xiv. 1892, p. 603. 
Maxillary teeth 13 to 15, small, equal; mandibular teeth small, 
equal. Head not distinct from neck; snout projecting, pointed ; 
eye small, with round pupil; rostral very large, in contact with or 
approaching the frontal; internasals small or absent ; nostril pierced 
in a divided or semidivided nasal, the anterior portion of which is 
fused with the first labial ; no loreal, prefrontal in contact with the 
labials. Body cylindrical, short; scales smooth, with apical pits, 
in 17 rows; ventrals rounded. ‘Tail short; subcaudals in two rows. 
Arizona, Texas, Mexico. 
