202 COLUBRID-E. 



its distance from the frontal ; suture between the internasals much 

 shorter than that between the prasfroutals ; frontal a little longer 

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

 shorter than the parietals ; loreal longer than deep ; one prae- aud 

 two postoculars ; temporals 2 + 2 or 2 + 3; seven (rarely eight) 

 upper labials, third and fourth entering the eye ; four lower labials 

 in contact with the anterior chin-shields, which are usually longer 

 than the posterior. Scales in 21 (rarely 23) rows. Ventrals 

 obtusely angulate laterally, 179-210 ; anal entire ; subcaudals 

 44-53. Scarlet, with pairs of black rings enclosing a yellow one ; 

 these rings may be interrupted on the belly, and the black nuchal 

 band never extends across the throat ; the greater part of the upper 

 surface of the head black. 



Total length 490 millim. ; tail 80. 



Southern United States, North Mexico. 



o-/. c? (V.191, 188; C.52, New Orleans. M. Salle [C.]. 



49), 2 (V. 191, 202; 



C. 46, 50), & hgr. (V. 188, 



191 ; C. 53, 52). 

 g. Hgr. (V. 188 ; C. 48). Texas. 



h. Hgr. (V. 179; C. 49). N. America. Sir R. Murchison [P.]. 



12. Coronella zonata. 



Coluber (Zacholus) zonatus, Blainv. N. Ann. Mus. iv. 1835, p. 293. 



Ophibolus pyromelanus, Cope, Proc. Ac. Fkilad. I8ti6, p. 305. 



pyrrhooielas, Cope, Check-list N. Am. Rept. p. 37 (1875) ; 



Yarrow, Wheelers Rep. Explor. Surv. W. lOOt.h Mer. v. pi. xix. 



(1875) ; Cope, Proc. U.S. Aat. Mus. xiv. 1892, p. GIO. 

 Bellopbis zonatus, Lockmgton, Proc. Cal. Acad. vii. 1877, p. 52. 

 Coronella multifasciata, Bocourt, Miss. &c. Mex., Rept. p. GIG, pi. xl. 



fig. 2 (1886). 



Body compressed in its posterior half. Snout slightly prominent ; 

 rostral about once and a half as broad as deep, the portion visible 

 from above hardh' one third its distance from the frontal ; suture 

 between the internasals shorter than that between the prsefroutals ; 

 frontal a little longer than broad, as long as its distance from tlie 

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

 deep (rarely absent) ; one prae- and two postoculars ; temporals 

 2 + 3; seven upper labials, third and fourth entering the eje ; four 

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

 longer than the posterior. Scales in 21 (or 23) rows. Centrals 

 obtusely angulate laterally, 198-224 ; anal entire ; subcaudals 

 45-66. Scarlet, with pairs of blacks rings enclosing a yellow one ; 

 these rings very numerous (47-55) and close together on the pos- 

 terior half of the body, where the red interspaces are scarcely 

 wider than the yellow rings or may disappear altogether : head 

 black anteriorly, yellow poi^tcrior]y ; a black band across the nape, 

 not extending to the throat. 



