z 18. IscHNOGNATHUS. 287 
Storeria dekayi, Baird § Gir. Cat. N. Am. Rept. p. 135 (1853) ; 
Garm, N. Am. Rept. p oh i, fig. 1 (1883), and Bull. Essex 
Fests Sa 1892, p. 105 - Garm, Bull; Illin, Lab, iii, 1892, 
nognathus dekayi, part., Dum. § Bibr. vii. p. 507 (1854). 
Storeria tropica, Cope, Proc. Am. Philos. Soc. xxii. 1885, p. 175. 
—— dekayi, var. anomala, Dugs, Proc. U.S. Nat. Mus. xi. 
1888, p. 9, tig. 
Rostral broader than deep, visible from above; nasal divided, in 
contact with the preocular ; internasals broader than long, much 
shorter than the prefrontals; frontal about once and a half as 
long as broad, longer than its distance from the end of the snout, 
shorter than the parietals; one (rare two) pre- and two post- 
oculars; temporals 1+1 or 14+2; seven (rarely six) upper 
labials, third and fourth entering the eye; four lower labials in 
‘eontact with the anterior chin-shields; posterior chin-shields as 
long as the anterior and usually in contact with each other in front. 
Scales in 17 rows, all keeled. Ventrals 120-145; anal divided; 
subcaudals 40-63. Pale olive-brown, greyish or reddish above, 
with or without a lighter vertebral stripe and two dorsal series of 
small black spots; crown of head often blackish; a blackish 
transverse blotch on each side of the nape; frequently a black spot 
below the eye; ventrals yellowish, usually with black dots on the 
sides. 
Total length 370 millim.; tail 75. 
North and Central America, from Canada to Guatemala. 
a. Q (V. 127; C. 48). Canada. Chatham Museum [FI 
J. 
b-d. V. 128,125; C. Bloomington, In- C, Bollman : 
40, #) S her. (V.120; diana. » Hoa [ 
e. 2 (V. 188; C. 46). Tlinois. Smithsonian Instit, [P.]. 
f. & (V. 135; C. 63). New Orleans. M, Sallé [C.}. 
k. 
2 
’ 
do (V.126;C.51)& Texas. 
. 136; C. “y Duval Co., Texas, W. Taylor, Esq. [C.}. 
V. 136; ©. 47). | Guatemala. O. Salvin, Esq. [C.]. 
3. ‘Ischnognathus occipitomaculatus. 
—— Storer, Rep, Fish. § Rept. Mass. p. 230 
( ° 
venustus, Hallow. Proc. Ac. Philad. 1847, p. 278, pl. —, and 
1849, p. 245. 
Storeria occipitomaculata, Baird § Gir, Cat. N. Am. Rept. p, 137 
1853); Baird, Serp. of N. be 26 (1854) ; Garm. Am. 
, ¢ ape pl. i. fig. 2 (1883); H. Garm. Bull. Illin. Lab. iii. 
» p- 278. 
Ischnognathus dekayi, part., Dum. § Bibr. vii. p. 507 (1854). 
—— occipitomaculatus, Giinth, Cat, p. 81 (1858); Jan, Arch. 
A306 “es Phys. iii. 1865, p. 240, and Icon, Gén, 30, pl. i. fig. 2 
4 
: 
t: 
