a 
10. TROPIDONOTUS. 21 
Tropidonotus marcianus, Jan. 1. ¢. p. 215. 
—— sirtalis, var. merciana, Garm, N. Am. Rept. p. 138 (1883). 
? Eutenia nigrolateris, A. £. Brown, Proc. Ac. Philad. 1889, p. 421. 
Eight upper labials, fourth and fifth entering the eye. Scales in 
21 rows, outer row smooth or faintly keeled. Ventrals 144-163 ; 
subcaudals 53-85. Pale brown above, with black spots disposed 
quincuncially ; a narrow yellow vertebral line and a more or less 
indistinct light lateral streak ; upper labials, except the two last, 
pre- and postoculars yellowish, with black streaks on the labial 
sutures below and behind the eye; a black nuchal collar; lower 
parts yellowish white. 
Texas, New Mexico, Arizona, Colorado. i 
a. o (V. 158; C.79). Texas. Smithsonian Instit. [P.3. 
(As £. marciana.) 
—b. 2 (V. 144; C.69). Texas. 
e. 9 (V. 154; 0.67). Duval Oo., Texas. W. Taylor, Esq. [C.}. 
d. Yg.(V .163;C.76). El Paso, Texas. Mr. A. Forrer 
C.}. 
_e 9 (V. 153; C.?). Tucson, Arizona. A. Erwin Brown, Ye. Bsa» 
K. Var. radix. 
Eutainia radix, Baird § Gir. Cat. N. Am. Rept. p. 34 (1853) ; 
Kennicott, Rep. US. Explor, Surv. R. R. xii. pt. ii. p. 299 
(1860); Cowes §& Yarrow, Bull. U.S. Geol. Surv. iv. 1878, p. 277 ; 
Cope, Proc. U.S, Nat. Mus, xiy. 1892, p. 650; H. Garm. Bull. 
Lllin. Lab. iii. 1892, p. 266. 
haydenii, Kennicott, 1. c. p. 208, pl. xiv. 
Tropidonotus sirtalis, vars. radix & haydenii, Jan, Arch. Zool. Anat, 
hys. iii. 1865, p. 212. 
? Tropidonotus glaphyros, Jan, l. ¢, p. 214. 
Euteenia radix twiningi, Coues §& Yarrow, l. ec. p. 279. 
radix melanotenia, Cope, Proc. U.S. Nat. Mus. xi. 1889, p. 400. 
Seven (rarely eight) upper labials, third and fourth entering the 
eye. Scales in 21 rows, outer row distinctly keeled. Ventrals 
145-173; subcaudals 51-75. Olive above, with black spots 
arranged quincuncially, or blackish; a yellow or orange black- 
edged vertebral stripe, and a light lateral streak on the third and 
fourth rows of scales; belly greenish white, with a black spot at 
the outer end of each ventral. 
North America, north of 37°, from the Rocky Mountains to 
Manitoba and Indiana. 
a. 2 (V. 168; C. 68). Platte River. Smithsonian Inst. [P.). 
As E£. haydenii.) 
b. 2 (V. 161; C. 73). Island Lake, Lyon Prof. G. B, Howes 
Co., Minnesota. P,}. 
ce. 2 (V. 145; C. ?). Illinois. Smithsonian Inst. [P.). 
(As £. radix.) 
d. 2 (V. 168; C. 71). Kansas, 
e-g. 3 (VY, 106; C.?)& Canada, G. M. Dawson, Esq. 
2 (V. 164, 171; C. 71, ?). [C.]. Boundary Com- 
mission. 
ht. & (V. 167, 173; C.?, Moose Jaw, Assi- Prof. C. Eigenmann 
"75). pa nibaiasWitaeeds, [C).  - 
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