27<' COLUBRIDiE. 



21. Contia frontalis. 



Toluca frontalis, Co/je, Proc. Ac. PMlad. 1864, p. 167. 

 Ficimia olivacea, part., Peters, Mon. Berl. Ac. 1869, p. 875. 

 Pseudoficimia pulchra, ^ocowr^. Miss. Sc. Mex., Rept. p. 672, pi. xxxv. 



fig. 12 (1883). 

 Ficimia frontalis, Garon. N. Am. Rept. p. 82 (1883). 

 Geagras frontalis, Cope, Am. Nat. 1884, p. 163. 

 Pseudoficimia frontalis, Gmitli. Biol. C.-Ain., Rept. p. 96 (1893). 



Suout 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 prsefrontals ; 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 ; sui)raocular about 

 one third the width of the frontal ; no loreal ; one prae- and two 

 postoculars ; temporals 1 + 2 ; seven upper labials, second or second 

 and third in contact with the prasfrontal, 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 on the back of the 

 head ; upper lip whitish, with some vertical brown spots ; lower 

 parts uniform white. 



Total length 245 millim. ; taU 47. 



Mexico. 



a. cJ (V. 150 ; C. 48). Ventanas, Durango. Ilr. A. Forrer [C.l. 



b. Hgr. (V. 153 ; C. 47). Presidio, nr. Mazatlan. Ilr. A. Forrer [C.]. 



100. FICIMIA. 



Ficimia, Gi-ay, Cat. Sn. p. 80 (1849^; Jan, Arch. Zool. Anat. Phys. 



ii. 1862, p. 68 ; Bocourt, Miss. Sc. Me.v., Rept. p. 569 (1883) ; 



Giinth. Biol. C.-Am., Rept. p. 98 (1893). 

 Amhlymetopon, Gibith. Cat. Col. Sn. p. 7 (1858). 

 Gyalopion, t'o/je, Proc. Ac. Philad. 1861, p. 243, and P-oc. U.S. 



'Nat. Mus. xiv. 1892, p. 603. 



MaxiUary 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, praefrontal in contact with the 

 labials. Body cylindrical, short; scales smooth, with apical jiits, 

 in 17 rows ; ventrals rounded. Tail short : subcaudals in two rows. 



Arizona, Texas, Mexico. 



