~ 
286 COLUBRID. 
Synopsis of the Species. 
I, Anal divided. 
Scales in 19 rows; a loreal and one 
preeocular.....see eee eee cess 1. kirtlandii, p. 286. 
Scales in 17 rows; preocular one, in 
contact with nasal ............ 2. dekayi, p. 286. 
Scales in 15 rows; preoculars two, 
in contact with nasal .......... 3. occipitomaculatus, p. 287. 
Scales in 15 rows; a loreal and two . 
PYOOCWIAFE 55 idle e's Sie s ME 4, storerioides, p, 288. 
II. Anal entire. 
Scales in 15 rows; no loreal ...... 5. copit, p. 289, 
1. Ischnognathus kirtlandii, 
Regina kirtlandii, Kennicott, Proc. Ac. Philad. 1856, p. 95; H. 
Garm, Bull, Iilin, Lab, iii. 1892, p. 275. 
Tropidoclonion kirtiandii, Cope, Proc. Ac. Philad. 1860, p. 340. 
Ischnognathus kirtlandi, Jan, Arch. Zool. Anat. Phys. iii. 1865, 
p. 289, and Icon. Gén. ’30, pl. i. fig. 1 (1868). 
Tropidonotus kirtlandii, Garm. N. Am. Rept. p. 28, pl. i. fig. 3 
(1883). 
Clonophis kirtlandii, Cope, Proc. U.S. Nat. Mus. xi. 1889, p. 391. 
Rostral broader than deep, just visible from above ; nasal divided ; 
-a loreal ; internasals broader than long; frontal once and a half as 
long as broad, longer than its distance from the end of the snout, 
shorter than the parietals; one pre- and two postoculars ; tem- 
porals 1+ 1 or 1+2; six (exceptionally five) upper labials, third and 
fourth (or second and third) entering the eye; two pairs of chin- 
shields, posterior separated from each other. « Scales in 19 rows, all 
very strongly keeled. Ventrals 129-133; anal divided; sub- 
caudals 50-59. Greyish brown above, on each side with a series 
of large black spots and alternating series of smaller spots; head 
dark brown, with lighter vermiculations ; labials yellowish ; ventrals 
yellowish, with a black spot at each outer end. 
Total length 430 millim.; tail 90. 
United States, from Illinois to Ohio. 
a-b. 2 (V. 129, 183 ; C. 51, ?). Tlinois. Prof. 8. A. Forbes [P.}. 
2. Ischnognathus dekavi. 
Coluber ordinatus (non L.), Storer, Rep. Fish. § Rept. Mass. p. 223 
(183 
Tiipidonotus dekayi, Holbr. N, Am. Herp. iv. p. 58, e. can (1842) ; 
Dekay, N. York Faun., Rept. p. 46, pl. xiv. Hg. 80 (184 
Ischnognathus dekayi, Dum. § Bibr. Mém. Se. eae 1853, 
. 468; Ginth. Cat. p. 81 (1858); Jan, a. * Pool. Anat, Phys. 
lil. 1865, p. 240, and Icon. Gén, 30, pl. i. figs. 8 & 4 (1868), 
.- 
Scales in 17 or 19 rows; aloreal .. 6. lineatus, p. 289. ‘ 
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