-70 COLTJBBIBiE. 



21. Contia frontalis. 



Toluca frontalis, Cope, Proc. Ac. Philad. 1864, p. 167. 

 Ficimia olivacea, part., Peters, Mon. Berl. Ac. 1869, p. 876. 

 Pseudoflcimia pulchra, Bocourt, Miss. Sc. Mex., Pept. p. 572, pi. xxxv. 



fig. 12 (1883). 

 Ficimia frontalis, Qarm. N. Am. Pept. p. 82 (1883). 

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

 Pseudoflcimia frontalis, Oiinth. Biol. C.-Am., Pep>t. p. 96 (1893). 



Snout short, projecting, pointed, slightly turned up at the end, 

 concave above. Kostral 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; supraocular about 

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

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

 and third in contact with the praefrontal, 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 hp whitish, with some vertical brown spots ; lower 

 parts uniform white. 



Total length 245 millim. ; tail 47. 



Mexico. 



a. (J (V. 150 ; C. 48). Ventanas, Durango. Hr. A. Ferrer [0. 



b. Hgr. (V. 153 ; 0. 47). Presidio, nr. Mazatlan. Hr. A. Forrer [0. 



100. FICIMIA, 



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

 ii. 1862, p. 58 ; Bocourt, Miss. Sc. Mex., Pept. p. 569 (1883) • 

 Ounth. Biol. C.-Am., Pept. p. 98 (1893). ' 



Amblymetopon, Gilnth. Cat. Colt Sn. p. 7 (1858). 



Gyalopion, Cope, Proc. Ac. Philad. 1861, p. 243, and Proc. 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, prasfrontal 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. 



