178 COLUBRID. 
24. Rhadinexa vittata. 
Enicognathus vittatus, part., Jan, Arch. Zool. Anat. Phys. ii, 1868, 
p. 271, and Icon. Gén. 16, pl. ii. fig. 3 (1866); Bocourt, Miss. Sc. 
Mex. , Rept. p- 630, pl. xli. fig. 1 (1886). 
Dromicus tzeniatus, Peters, Mon. Berl. Ac. 1863,  p. 275 ; Ginth. Biol. 
C.-Am., Rept. p. 113 (1894). 
Rhadinea’ fulvivittis, Cope, Journ. Ac. Philad.. viii. 1876, p. 139, 
teeniata, Cope, l. c. p. 140. 
Diadophis fulvivittis, Garm. N. Am. Rept. p. 158 (1883). 
Rhadinzea quinquelineata, Cope, Proc. Amer. Philos. Soc. xxiii. a 
. 277. 
vittata, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 80. 
Diadophis decoratus, Garm. Bull. Essex Inst. xix. 1888, p- 127. 
Coronella quinquelineata, Giinth. Biol. C-Am., Rept. p. 111 (1893). 
Dromicus omiltemanus, Ginth. l. c. p. 113, pl. xl. fie. B (i894), 
fulvivittis, Giinth. l.c. p. 113. 
* Eye rather small. Rostral broader than deep, just visible from 
above; internasals broader than long, shorter than the preefrontals ; 
frontal once and a half to once and two thirds as long as broad, 
longer than its distance from the end of the snout, shorter than the 
parietals ; loreal as long as or a little longer than deep; one pre- 
and two postoculars ; sometimes a small subocular below the pre- 
ocular; temporals 1+2 or 1+1; eight upper labials, fourth and 
fifth entering the eye; five lower labials in contact with the anterior 
chin-shields, which are as long as or a little shorter than the 
posterior. Scales in 17 rows. Ventrals 145-183; anal divided ; 
subcaudals 88-132. Length of tail 3 to 33 times in the total 
length. Dark brown above, with two yellow longitudinal streaks 
commencing on the snout, or yellowish brown with three dark 
brown or black stripes; upper lip and lower parts yellowish white. 
Total length 700 millim.; tail 210. 
Mexico. 
A. A black dot at the outer end of each ventral. 
a-b. Her. 9 (V. 182,183; City of Mexico. Mr. Doorman [C.]. 
C. 106, 100). 
c,d-e. 6 (V.172; C.?), LaCumbre de los Dr. A. C. Buller [C.]. 
© (V. 182; C. 88), & Arrastrados, Ja- 
yg. (V. 165; C. 106). lisco. 
Ff. Hgr. 2 (V. 153; C. Omilteme,Guerrero, F. D. Godman, Esq. 
88). [P.]. (Type sat 2: 
omaltemanus.) 
g. Her. (CV. 1763) C, «Mexico, x 
90). 
B. Ventrals without black dots ; two outer rows of scales 
yellowish. 
h. 3 (V. 163; C. 99). Xantipa, Guerrero, Mr. H. H. Smith [C.]; 
F. D. Godman, Esq. 
face 
2, Ye. (V.162; C.132). Amula, Guerrero. Mr. if H. Smith [C.]; 
F. D. Godman, Esq. 
pea: 
