188. APOSTOLEPIS. 233 



Syno_psis 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. coronafa, p. 283. 



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. 



Anal divided 3. flavitorquata, p. 234. 



Anal entire 4. nigroUneata, p. 235. 



B. Pourth, fifth, and sixth labials in contact with the parietal ; 



ventrals 213 5. quinquelineata, p. 235. 



C. Eifth and sixth labials in contact with the parietal. 



1. Symphysial in contact with the anterior chin-shields j 



ventrals 207 6. nigroterminata, p. 235. 



2. Pirst Jower labial in contact with its fellow behind the 



symphysial. 



Snout feebly projecting ; four lower 

 labials in contact with the chin- 

 shields, fourth largest ; ventrals 

 260 _ 7. dorlignyi, p. 236, 



Snout feebly projecting ; five lower 

 labials in contact with the chin- 

 "shields, fifth largest ; ventrals 244- 

 251 8. erythronota, p. 236. 



Snout strongly projecting ; five lower 

 labials in contact with the chin- 

 shields ; ventrals 224-242 9. amUnigra, p. 237. 



1. Apostolepis corouata 



• 



Elapomorphus coronatus, Sauvage, Bull. Soo. Philom. (7) i. 1877, 

 p. 110 ; Strauch, Bull. Ac. St. FStersb. xxix. 1884, p. 682 ; Bocourt, 

 Miss. So. Mex., Rept. pi. xixvi. fig. 1 (1886). 



Snout scarcely projecting ; eye small, its diameter nearly 

 equalling its distance from the oral margin. Eostral 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 praeocular ; two postoculars ; 

 six upper labials, second and third entering the eye, fifth in contact 



M. Booonrt has kindly supplied me with notes on the type specimen. 



