• s 4 . SYNOPSES AND DESCRIPTIONS. 



FlCIMIA MACULATA. 



Oxyi;hin\ maci lata Jan, 1862, Prodr. Icon. Gen. <>ji<l.,])t. IT, 01. 



Subcylindrical ; head not distinct from neck, subcorneal, slightly de- 

 pressed, muzzle produced. Snout long, rostral conical. Eye moderate, 

 pupil round. Mouth-cleft deep, curved. Prefrontals and internasals 

 united. Frontal broader forward, hexangular. Nasal entire. A loreal, 

 sometimes absent. One anteorbital. Postorbitals 1 to 2. Temporals 

 1+2. Labials 6 to 7, the two preceding the last more or less wedged. 

 [nfralabials 6 to 7, fourth large, anterior four in contact with the sub- 

 mentals. Two pairs submentals, anterior larger. Scales smooth, short, 

 broad, in 17 rows. Ventrals 125 — 131. Anal bifid. Subcaudals 28 to 

 36 pairs. 



Brownish, more or less punctulate, with a dorsal series of irregular 

 spots, the anterior of which are somewhat elongate. Flanks marked with 

 brown, as if the dorsal spots had continued downward and broken up. 

 Belly light, with spots of dark irregularly placed in a series on each side. 

 (Jan.) Mexico. 



FlCIMIA VARIEGATA. 

 Amblymetopon vakibgatdm Gunther, L858, Cat. Cd. Snakes, 7. 



Moderate; head not distinct, rounded, muzzle not elongate; tail rather 

 short, tapering. Eye moderate, pupil sub-elliptical. Rostral bent upward, 

 with a convex ridge, not tapering behind, separating the prefrontals. 

 Internasals and prefrontals united. Frontal large, seven-sided. Oculars 

 1 — 2. No loreal. Labials seven, third and fourth in orbit. Anterior 

 temporal elongate. Scales smooth, nearly square, in 17 rows. Ventrals 

 151. Anal bifid. Subcaudals 37 pairs. 



Lack reddish-white, with 56 black narrow cross-liars, two on the neck 

 larger than the remainder. Head with symmetrical black markings. 

 Sides black spotted. Belly uniform whitish. (GKinther.) Mexico. 



FlCIMIA olivaceA. 



Gray, 1849, Cat. Snakes Brit. Mus., 80. 



Head moderate, rather depressed; body subcylindrical; tail tapering. 



Rostral large. Internasals and prefrontals fused, separated by the rostral. 



Loreal and prefrontals united. Supraciliary small, triangular. Frontal 



and parietals large. Nasal triangular, grooved behind the nostril. Eves 



small, pupil round. Scales smooth, lustrous, broad, rounded at the tip. 



Blackish-olive; lips, chin, and beneath pale yellowish. (Gfray.) Mexico. 



