60. COLUBER. 39 
11. Coluber flavirufus. 
Coluber flavirufus, Cope, Proc. Ac. Philad. 1866, p. 319, and Proc. 
Am. Philos, Soc. xxii. 1885, p. 175; Giinth. Biol. C.-Am., Rept. 
p. 115 (1894). 
Elaphis pardalinus, Peters, Mon. Berl. Ac. 1868, p. 642. 
rodriguezii, Bocourt, Le Natur. 1887, p. 168, and Miss. Se. 
Mev., Rept. p. 683, pl. xlvi. fig. 1 (1888). 
Natrix flavirufus, Cope, Bull. U.S, Nat. Mus. no. 32, 1887, p. 71. 
Rostral considerably broader than deep, just visible from above ; 
internasals much broader than long, much shorter than the pre- 
frontals ; frontal once and one third to once and a half as long as 
broad, nearly as long as its distance from the end of the snout, 
shorter than the parietals ; loreal longer than deep; one large pre- 
ocular (which may be divided into two); two postoculars ; temporals 
2 or 343 or 4; eight or nine upper labials, fourth and fifth or 
fourth, fifth, and sixth entering the eye; four or five lower labials 
in contact with the anterior chin-shields, which are as long as or a 
little longer than the posterior. Scales in 27 to 33 rows, dorsals 
faintly keeled. Ventrals 252-266 ; anal divided ; subcaudals 102- 
119. Yellowish or pale brown above, with a dorsal series of reddish 
or chestnut-brown, black-edged, transverse spots, which may alter- 
nate or be confluent into a zigzag band; a lateral series of spots, 
alternating with the larger dorsal; two curved dark bands across 
the snout, some symmetrical markings on the crown and occiput, 
and two longitudinal bands on the occiput and nape, sometimes 
confluent in front and behind; lower parts yellowish, with or with- 
out small brown spots. 
Total length 1220 millim.; tail 260. 
Mexico, Guatemala, Honduras. 
@ 9 (Se. 31; V. 252; Mexico. Hr. H. Finck [C.]. 
C. 102). 
b. Yg. (Sc. 31; V. 263; Belize. 
C. 116). 
c. Yg. (Sc. 33; V.262;  $Ruatan Id. F. D, Godman, Esq. [P.]. 
C. 117). 
12. Coluber guttatus. 
Catesby, Nat. Hist. Carol. ii. pl. lv. (1771); Merrem, Beitr. ii. p. 39, 
pl. xi. (1790). 
Coluber guttatus, Linn. S. N. i. p. 385 (1766); Harl. Journ. Ac. 
Philad. vy. 1827, p. 363, and Med. Phys. Res. p. 126 (1835) ; Holbr. 
N. Am. Herp. iii. p. 65, pl. xiv. (1842); Cope, Proc. U.S. Nat. 
Mus. xiv. 1892, p. 632; Hay, Batr. § Rept. Indiana, p. 92 (1893) ; 
Giinth. Biol. C.-Am., Rept. p. 114 (1894). 
— maculatus, Bonnat. Encycl. Méth., Ophiol. p. 9 (1789) ; Hari. 
Ul. ce. pp. 862, 125. 
compressus, Donnd. Zool. Beitr. p. 206 (198). 
carolinianus, Shaw, Zool. iti. p. 460, pl. exix. (1802). 
; molossus, Daud. Rept. i.p 269 (1808); Hari. ll. ce. pp. 363, 
26. 
