188. APOSTOLEPIS. 233 
Synopsis of the Species. 
I. A single labial in contact with the parietal; the diameter of 
the eye nearly equal to the distance between the eye and the 
oral margin. 
Two postoculars; ventrals 199..... . 1. coronata, p. 233. 
A single postocular ; ventrals 265 .. 2. assimilis, p. 234. 
II. Two or three labials in contact with the parietal ; eye minute. 
A. Fourth and fifth labials in contact with the parietal ; ventrals 
250-260. 
ISM CINEMA re? 6 05:0! s\s oe edd shane 3. flavitorquata, p. 234. 
MATL OTIS Hei wiiais's 4.5%. Daren wae 4. nigrolineata, p. 235. 
B. Fourth, fifth, and sixth labials in contact with the parietal ; 
yonwaers. 213 ... 2.0.2 008 ..- 5. quinquelineata, p. 235. 
C. Fifth and sixth labials in contact with the parietal. 
1. Symphysial in contact with the anterior chin-shields ; 
WOMUESIN. SOF hy i's oo. core ces 6. nigroterminata, p. 235. 
2. First lower labial in contact with its fellow behind the 
symphysial. 
Snout feebly projecting; four lower 
labials in contact with the chin- 
shields, fourth largest ; ventrals 
BEEP 8 eos wise ini anmicrectinsim F604 eka s wale 4 Eo OP ORTOSES Ths ots 
Snout feebly projecting; five lower 
labials in contact with the chin- 
shields, fifth largest; ventrals 244— 
1 SRE Pr MaP We senorita Gee =A rae 8. erythronota, p. 236. 
Snout strongly projecting ; five lower 
labials in contact with the chin- 
_ shields; ventrals 224-242 ...... 9. ambinigra, p. 237. 
1. Apostolepis coronata *. 
Elapomorphus coronatus, Sauvage, Bull. Soc. Philom. (7) i. 1877, 
p. 110; Strauch, Bull, Ac. St. Pétersb. xxix. 1884, p. 582; Bocourt, 
Miss. Sc. Mex., Rept. pl. xxxvi. fig. 1 (1886). 
Snout scarcely projecting; eye small, its diameter nearly 
_ equalling its distance from the oral margin. Rostral broader than 
deep, the portion visible from above nearly half as long as its 
distance from the frontal ; latter shield a little longer than broad, 
as long as its distance from the end of the snout, shorter than the 
parietals ; nasal in contact with the preocular; two postoculars; 
six upper labials, second and third entering the eye, fifth in contact 
* M. Bocourt has kindly supplied me with notes on the type specimen. 
