l08 SYNOPSES AND DESCRIPTIONS. 



red scales are black-tijiped. Tail, Avith three broad black, separated by 

 narrow yellow rings. Pueblo, Mexico. 



Elaps decoratus. 



Jan., 1859, Rev. & Mag. Zndl, Prniir. Icon. Ophid., pp. 7, U, pi. B. 



Rostral and internasals black. A black band on the frontals reaches the 

 labials. A collar of black behind the parietals; behind this a narrower 

 ring separated by four scales of yellow. A band in front of the eyes 

 yellow; that on the occiput red. Seven scales behind the second black 

 band on the neck are red, then commence the triplets of black. In each 

 triad the outer bands are about half as wide as the middle, which occupies 

 three or four scales, separated from the others by narrow spaces of yellow. 

 Number of triads fourteen, separated by as many spaces of red, in which 

 the scales are black -tipped. Ventrals 204 — 218. Subcaudals 14 — 20. 

 Mexico. 



Elaps elegans. 



Jan., 1850, Rev. & Mag. Zool. Prodr. d'uw leon. Ophid., pp. 6, 13, pi. B. 



Muzzle to postoculars black. A Avhite parietal band is interrupted on 

 the middle of the head. Behind this to the neck the head is black. A 

 couple of series of white scales on the neck precede a large triangular black 

 si)ot posterior to which there is a white (red) space of three or four black- 

 tipped scales. From this point there are thirteen or fourteen triads of 

 black rings, more or less confluent on the abdomen, separated by single 

 series of white scales. The intervals between the groups is about the 

 width of the rings themselves, three or four scales each. Tail black, with 

 six white bands on single series of scales. Ventrals 199 — 2134-29 — 37. 



