84 SYNOPSES AND DESCRIPTIONS. 



FiCIMIA MACULATA. 



OxYRllINA MACULATA J<ni, ]S(i2, I'lvdr. Icoii. Gi'h. Qjlth, pi. IT, Gl. 



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

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

 pupil round. Mouth-deft deep, cur\'ed. Prefrontals and internasals 

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

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

 14-2. Labials 6 to 7, the two preceding the last more or less wedged. 

 Infralabials 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 scries 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 iri'egularly placed in a series on each side. 

 (Jan.) Mexico. 



FiCIMIA VARIEGATA. 

 AMBLYjrEToroN VARiEGATU.M G'untlwr, 185S, Cat. Col. 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. 



Back reddish-white, with 56 black narrow cross-bars, two on the neck 

 larger than the remainder. Head with symmetrical black markings. 

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



FiCIMIA OLIVACEA. 



Gray, 1849, Cat. Snah-s Brit. Mioi., 80. 



Head moderate, rather depressed; body subcylindi-ical ; tail tapering. 

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

 Loreal and prefrontals united. Supraciliary small, triangidar. Frontal 

 and parictals large. Nasal triangular, grooved behind the uit.stril. Eyes 

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



Blacki.sh-olive; lips, chin, and beneatli j)ale yelluwish. (Gray.) Mexico. 



