388 COLUBRID. 
B. Olive or brown above, yellow or pale olive inferiorly. 
(C. flaviventris.) 
a, b-c. 2 (V.183; C.87) Bloomington, In- C. Bollman .[C. 
"& yg. (V.177,179; C. diana. » Beg. [0.} 
80, 93). 
d. g (V. 171; C. 80). Kansas, Smithsonian Inst. [P.]. 
é. $6 7,178; C, 84). Kansas. 
JS. Yg. (V. 180; C. P). Delaware. ak Esq. 
g,h. & (V. 160; C.?) & Texas. 
9 (V. 165; ©. 87). 
t-k. ¢ (V.170; C.95) —_ British Columbia. J. K. Lord, Esq. [P.]. 
i. - 173; C. 81). Oregon. Smithsonian Inst. [P.]. 
m. Yg. (V. 172; C. 93). gr ie Nevada, Cali- Mr. Gruber [C.]. 
ornia. 
n. Yg. (V. 869; C. 84). Monterey, California. 
o. 2 (V. 163; C. 82). Camp Taylor, Marin Prof. C, Eigenmann 
Co., California. C.). 
p-q. od (V. 180; C. 104) Mexico. 
t 2 (V. 170; C. 84). 
eee, AV 281: OFX Mexico. Mr. H. Finck [C.}. 
6. Zamenis lineatus. 
Bascanion lineatus, Bocourt, Miss. Sc. Mex., Rept. p. 700, pl. xlviii. 
fig. 1 (1890). 
Snout moderately prominent ; eye a little larger than in Z. con- 
strictor. Rostral as deep as broad or a little broader, the portion 
visible from above measuring one third to one half its distance from 
the frontal ; internasals shorter than the prefrontals; frontal once 
and two thirds to twice as long as broad, a little broader than the 
supraocular, as long as or a little longer than its distance from the 
end of the snout, nearly as long as the parietals ; loreal considerably 
longer than deep; one preocular, with a small subocular below it ; 
two postoculars; temporals 2+2 or 343; eight upper labials, 
fourth and fifth entering the eye; four or five lower labials in 
contact with the anterior chin-shields; posterior chin-shields as 
long as, or a little longer than, the anterior, and separated from 
each other by scales. Scales smooth, in 17 rows. Ventrals 
obtusely angulate laterally, 184-197; anal divided; subcaudals 
110-128. Pale brown or pale olive above, each scale with a small 
black apical spot; young with yellowish, black-edged markings on 
the occiput and nape; belly uniform yellow. 
Total length 1850 millim. ; tail 450. 
Western Mexico. 
a-c,d. 3 (V. 188, 188; Presidio, nr. Mazatlan. Mr. A. Forrer [C.}. 
G. 115, ?), 2 (V. 184; 
C.110), & yg. (V.184; 
C. 115). 
