eo 
200 ‘COLUBRID. 
and a small oblique black spot on the temple; belly yellowish, with 
a few black blotches ; an interrupted black stripe along the lower 
surface of the tail. 
Total length 610 millim. ; tail 95. 
Nuevo Leon, North Mexico. 
a. 2 (V. 200; C. 51). N. Leon. W. Taylor, Esq. [C.j. (Type.) 
10. Coronella triangulum. 
Coluber triangulum, Daud. Rept. vi. p. 522 (1803), 
eximius (non Harl.), Holbr. N. Am. Herp. iii. p. 69, pl. xv. 
(1842); DeKay, N. Y. Faun. iii. p. 38, pl. xii. fig. 25 (1842) ; 
Giinth. Cat. p. 91 (1858). 
Pseudoelaps Y, Berth. Abh. Ges. Wiss. Gétting. i. 1848, p. 67, pl. i. 
figs. 11 & 12. 
Ophibolus eximius, Baird § Gir. Cat. N. Am. Rept. p. 87 (1853). 
clericus, Baird § Gir. l. c. p. 88. 
Ablabes triangulum, Dum. § Bibr. vii. p. 315 (1854) ; Hallow. Proc. 
Ac. Philad, 1856, p. 244. 
Lampropeltis triangula, Cope, Proc. Ac. Philad, 1860, p. 256. 
eee Coronella eximia, Jan, Arch. Zool. Anat. Phys. 11, 1868, p. 242, and 
Icon. Gén. 17, pl.i. fig. 3 (1866). 
doliata (typica), Jan, Ul. cc. p. 241, Icon. 14, pl. iv. fig. A 
(1865) ; Bocourt, Miss. Sc. Mex., Rept. p. 609, pl. xxxix. fig. 2 
(1886). 
Ophibolus doliatus triangulum, Cope, Check-list N. Am. Rept. p. 4 
(1875); and Proc. U.S. Nat. Mus. 1888, p. 381 (1889), and Am. 
Nat. 1893, p. 1067, pl. xxiv. fig. 1. 
triangulus, Garm. N. Am. Rept. p. 65, pl. v. fig. 1 (1888) ; H. 
Garm. Bull. Iilin. Lab. iii. 1892, p. 295. 
doliatus parallelus, clericus, e¢ collaris, Cope, Proc. U.S. Nat. 
Mus. xi. 1888, p. 383, & xiv. 1892, p. 608, and Am. Nat. 1893, 
p. 1067, pls. xxiv., xxv., & xxvii. 
doliatus temporalis, Cope, Am. Nat. 1893, p. 1068, pl. xxv. 
fig. 4. 
doliatus, Hay, Batr. § Rept. Indiana, p. 107 (1893). 
Snout not prominent ; rostral twice as broad as deep, the portion 
visible from aboyg measuring one third to one half its distance from 
the frontal; suture between the internasals one third to two thirds 
the length of that between the prefrontals ; frontal nearly as broad 
as long or little longer than broad, as long as its distance from the 
end of the snout, shorter than the parietals ; loreal longer than.deep ; 
one pre-and two postoculars; temporals 2+ 2, 2+3, or, rarely, 142; 
seven upper labials, third and fourth entering the eye; four lower 
labials in contact with the anterior chin-shields, which are longer than 
the posterior. Scales in 21 (rarely 19) rows. Ventrals 184-214; 
anal entire ; subcaudals 43-55. Above with large brown or red, 
black-edged, elliptic, transverse spots separated by narrow yellowish 
or greyish cross bars, which widen towards the abdomen; a lateral 
series of smaller spots, alternating with the dorsals; a black oblique 
streak from the eye to the angle of the mouth; often one or two 
small light spots on the parietal suture behind the frontal ; lower 
parts white, usually largely spotted with black. 
