241. ELAPs. 427 



yeUowish rings ; head black, with a triangular yellow spot on each 

 side behind the head, the point touching the parietal shield. 



Total length 495 millim. ; tail 80. 



Guianas. 



a. 5 (V. 214 ; C. 32). Demerara Falls. 



b. (J (V. 197; C. 47). ? Dr. Guuther [P.].. 



^ 19. Elaps spixii. 



Miururus spixii, Wagl. in Spix, Serp. Bras. p. 48, pi. xviii. (1824). 

 Elaps lemniacatus, part., Qunth. Cat. p. 234 (1858), and Ann. 8; 



Mag. N. H. (3) It. 1869, p. 168. 

 ? Elaps melanogenys, Cope, Proc. Ac. Philad. 1860, p. 72. 

 Elaps isozonus. Cope, I. e. p. 73. 



corallinas, Jan, Icon. Gin. 41, pi. vi. fig. 2 (1872). 



marcgravi, Jan, op. cit. 42, pi. iii. fig. 2 *, 



Eye measuring two thirds its distance from the mouth in the 

 adult, as long as its distance from the mouth in the young. Rostral 

 broader than deep ; frontal as broad as or a little broader than the 

 supraocular, once and two thirds to twice as long as broad, as long 

 as or a little longer than its distance from the end of the snout, 

 shorter than the parietals ; latter a little longer than their distance 

 from the intern asals ; one prse- and two postoculars ; temporals 

 1 + 1 ; seven upper labials, third larger than fourth, third and 

 fourth entering the eye ; four lower labials in contact with the- 

 anterior chin-shields, which are shorter than the posterior. Scales 

 in 15 rows. Ventrals 201-219 ; anal dividedi(exceptionally entire) ; 

 Bubcaudals 22-29. Bed, the scales mostly tipped with black, with 

 20 to 38 subequal black rings on the body, as broad as or narrower 

 than the interspaces, disposed more or less distinctly in threes ; the 

 first black ring extends to the posterior border of the parietals ; 

 upper head-shields black or largely spotted with black, with a more 

 or less distinct black cross-band passing through the eyes ; a black 

 occipital collar, followed by a wide red space. 



Total length 1400 millim. ; taU 70. 



Tenezuela, Northern Brazil. 



o. Hgr. cj (V. 204; 0. 27). Venezuela. Mr. Kiise [C.].- 



b. 2 (V. 218; 0. 22). R. Gapin, Para. 



c. Hgr. ? (V. 219; 0. 26). ? 



^ 



20. Elaps frontalis. 



Elaps frontalis, part., Bum. ^ Bibr. vii. p. 1223 (1854). 



frontalis, Guichen. in Casteln. Anim. Nouv. Amer. Sud, Eept. 



pi. xiv. (1855) ; Cope, Proc. Ac. Philad. 1862, p. 347. 

 lemniacatus, part., Gunth. Cat. p. 234 (1858), and Ann. 8r Mag. 



N. S. (3) iv. 1859, p. 168. 

 altirostris, Cope, Proc. Ac. Philad. 1859, p. 345, 1860, p. 73, and: 



1862, p. 347. 



baliocoryphus, Cope, II. cc. pp. 346 & 73. 



lemniacatus, Hensel, Arch.f. Nat. 1868, p. 333. 



marcgravi, Jan, Icon. Gen. 42, pi. iii. fig. 2 (1872). 



