241. BLAPS. 419 



eoarcely larger than fourth, third and fourth entering the eye ; 

 three or four lower labials in contact with the anterior chin-shields, 

 which are shorter than the posterior. Scales in 15 rows. Ventrals 

 200-211 ; anal divided ; subcaudals 30-45. Black, with narrow 

 white rings (one scale and one shield wide), some of which are 

 approximate in pairs, the others equidistant ; 41-49 white rings on 

 the body, 4 to 7 on the tail ; a white ring on the head, crossing the 

 parietals. 



Total length 490 millim. ; tail 70. 



Eastern Peru. 



a. (S (V. 200; C. 45). Sarayacu. Mr. W. Davis [0.]; 



IMossrs "Veitcli TP 1 

 I. 6 (V. 201 ; C. 42). Cueva Blanca. Messrs. Veitch [P.].' ' 



11. Elaps decoratus. 



Elaps decoratus, Jan, Rev. 8f Mag. Zool. 1868, p. 526, and Prodr. 

 pi. B (1859) ; Gunth. Proe. Zool. Soc. 1869, p. 85, pi. xviii. flg. A ; 

 Jan, Icon. G4n. 42, pi. vi. fig. 4 (1872). 



Eye as long as or a little shorter than its distance from the 

 mouth. Eostral nearly as deep as broad ; frontal nearly twice as 

 broad as the supraocular, not or but slightly longer than broad, as 

 long as its distance from the end of the snout, a little shorter than 

 the parietals ; latter as long as their distance from the internasals ; 

 one prsB- and two postoculars ; a single temporal ; seven upper labials, 

 third larger than fourth, third and fourth entering the eye, sixth 

 very large and forming a suture with the parietal ; three or four 

 lower labials in contact vrith the anterior chin-shields, which are as 

 long as or shorter than the posterior. Scales in 15 rows. Ventrals 

 196-213 ; anal divided ; subcaudals 29-37. Body with black 

 annuli disposed in threes, the middle one broader, enclosing two 

 yeUow rings, and separated by broad red, black-dotted interspaces ; 

 15 or 16 sets of annuli on the body ; head yeUow, with the end of 

 the snout and a band passing through the eyes black. 



Total length 625 millim. 



Brazil. 



12. Elaps dumerilii. 



Elaps marcgravi {nan Wied), Dum. Sr Bibr. vii. p. 1209 (1864). 



dumerilii, Jan, Rev. 8f Mag. Zool. 1858, p. 622, Prodr. pi. A 



(1869), and Icon. GSn. 42, pi. i. fig. 3 (1872). 



Eye measuring two thirds its distance from the mouth. Eostral 

 nearly as deep as broad ; frontal broader than the supraocular, once 



2b2 



