241. BLAPs. 423 



Vipera fulvia, Harl. Journ. Ac. PUlad. v. 1827, p. 364. 



Elaps tenere, Baird Sr Qir. Cat. N. Am. Mept. pp. 22 & 156, and 

 Rep. U.S. Hex. Bound. Surv. ii. x., Bept. p. 15, pi. vii. fig. 1 

 (1859). > f f ,1' B 



tristis, Baird ^ Grir. Cat. p. 23. 



circinalis, Dum. iir Bibr. t. o. p. 1210. 



diastema, Dum. $ Bibr. t. c. p. 1222. 



epistema. Bum. Hf Bibr. t. c. p. 1222. 



mgrocinctus, Oirard, Proc. Ac. Philad. 1854, p. 226, and U.S. 



Nav. Astron. Exped. ii. Zool. p. 210, pi. xxxv. (1855). 



divaricatus. Hallow. Journ. Ac. Philad. (2) iii. 1855, p. 36. 



Mvius, part., Giirah. Cat. p. 235 (1858), Ann. ^ Mag. N. H. 



(3) iv. 1859, p. 169, and Biol. G.-Am., Kept. p. 182 (1895). 

 fitzingeri, Jan, Rev. ^ Mag. Zool. 1858, p. 621, and Prodi: 



pi. A (1859). 



apiatus, Jan, II. cc. p. 522, pi. A. 



amnis, Jan, II. cc. p. 525, pi. B. 



aglseope, Cope, Proc. Ac. Philad. 1859, p. 344 ; CHinth. Biol. 



C.-Am., Bept. p. 184. 

 distans, Kennicott, Proc. Ac. Philad. 1860, p. 338 ; Cope, Proc. 



U.8. Nat. Mus. xiv. 1892, p. 681. 

 coraUiaus, Salvin, Proc. Zool. Soc. 1861, p. 228 ; Bugis, 



Naturaleza, vii. 1885, p. 201. 



Uppocrepis, Peters, Mon. Berl. Ac. 1861, p. 925. 



coralliBus, var. creljripunctatus, Peters, Mm. Berl. Ac. 1869, 



p. 877. 



marcgravi, var. laticoUaris, Peters, I. c. 



coralliaus, vftr. circinalis, Jan, Icon. G^n. 41, pi. vi. fiff. 1 



(1872). 



laticoUaris, Garm. I. e. p. 107. 



epHppifer, Cc^e, Proc. Amer. Philos. Soc. xxiii. 1886, p. 281. 



bemardi. Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 87. 



diastema, var. michoacanensis, Bughs, Naturaleza, (2) i. 1891^ 



p. 487, pi. xxxii. 



lemniscatus, part., Giinth. Biol. C.-Am., Bept. p. 185. 



ruatanus, Gunth. I. c. p. 185, pi. Ivii. %. B. 



Eye shorter than its distance from the mouth (one half to two 

 thirds) in the adult. Eostral broader than deep ; frontal as broad 

 as or broader than the supraocular, once and a half to twice as 

 long as broad, as long as or a little shorter than its distance from 

 the end of the snout, shorter than the parietals ; latter longer than 

 their distance from the internasals ; one prse- and two postoculars ; 

 temporals 1 + 1 (rarely 1+2); seven upper labials, third usually 

 larger than fourth, third and fourth entering the eye ; three or 

 four lower labials in contact with the anterior chin-shielda, which 

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

 180-237 ; anal divided (rarely entire) ; subcaudals 30-59. Body 

 annulate, black and red or black, yellow, and red ; tail annulate 

 black and yellow ; snout black ; parietal shields usually entirely or 

 greater part yellow, the first black annulus just behind or 

 encroaching a little upon the parietals. 



Total length 990 millim. ; tail 85. 



Eastern North America, from Southern Virginia, the Ohio River,, 

 and the Missouri to the Eio Grande ; Mexico ; Central America. 



