SYNOPSES AND DESCRIPTIONS. 83 



FiCIMIA CANA. 



Gyalopion CAXi'.M Cope, 18G0, Pr. Ac. X. Sr., rjul, 243. 



"Form stout; tail one eighth of total length. Head slightly distinct, 

 large, depressed. Rostral plate acute; its anterior border elevated; its 

 upper surface concave. It is produced backwards, separating the pre- 

 frontals, not reaching the vertical. Frontals two pairs. Nasal confounded 

 with the first labial, a groove from the nostril to the suture of the second 

 labial. No lorcal; its place supplied by the post frontal. One pre two 

 post oculars. Scales smooth ; anal and subcaudal scutellae divided. Teeth 

 small, of equal lengths. Pupil round." 



Internasals small, triangular. Anterior border of frontal not angulated. 

 Labials seven, third and fourth in orbit. Infralabials seven, fourth largest. 

 Submentals short. Scales broad, in 17 rows. Yentrals 130. Subcaudals 

 28 pairs.. Total length 7^ inches, tail 11 lines. 



Back brownish-grey, with irregular transverse bands of brown (thirty- 

 one in specimen described), which extend to the ventrals, and anteriorly 

 exhibit a tendency to divide in three series of spots. Eight spots on tail. 

 First spot on neck large. A brown band from one angle of the mouth to 

 the other, another through the eye across the frontals. Dirty yellowish 

 beneath, including- the first row of scales. Arizona. 



FiCIMIA NASUS. I 



CoNopsis NASUS Gi'wther, 1858, Cat. Col. Snakes, p. 6. 



Body cylindrical ; head not distinct from neck, rounded, conical, sharply 

 pointed in front; tail stout, tapering. Eye moderate, pupil round. Mouth 

 moderate. Teeth equal, smooth. Upper jaw much the longer. Rostral 

 a protruding four-sided pyramid, with rounded edges, resembling RMnos- 

 toma, but without sharp ridge. Frontals and internasals fused, bent on 

 the sides. Frontal very large, longer than broad, six-sided. Supraciliaries 

 elongate. Nasal entire, in direct contact with the anteorbital. No loreal. 

 One anteocular, not raised on the crown. Postoculars two. Labials seven, 

 third and fourth in orbit. Temporal one, large, elongate. Submentals 

 two pairs, anterior larger. Scales smooth, short, rounded at the tip, in 17 

 rows. Ventrals 118. Anal bifid. Subcaudals 38 pairs. 



Nearly uniform dark olive, anteriorly some obsolete black spots ; sides 

 lighter; belly yellowish-white, edges of each ventral plate with two or 

 three black spots. Total length 10 inches; tail 2 inches. (Giinther.) 

 California. 



