10. TEOPIDONOTUS. 21 I 



Tropidonotus marcianus, Jan. I. c. p. 215. 



sirtalis, var. marciana, Garni. N. Am. Sept. p. 138 (1883). 



PEutoenia nigrolateris, A. £. Broion, Pruc. Ac. Philad. 1889, p. 421. 



Eight upper labials, fourth and fifth entering the ej-e. Scales in 

 21 rows, outer row smooth or faintly keeled. Ventrals 144—163 ; 

 suhcaudals 53-85. Pale brown above, with black spots disposed 

 quincunoially ; a narrow yellow vertebral line and a more or less 

 indistinct light lateral streak ; upper labials, except the two last, 

 prse- 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. 



a. cJ (V. 158 ; 0. 79). Texas. Smithsonian Instit. [P.]. 



(As i?. marciana.) 



b. $ (V. 144; 0.69). Texas. 



c. $ (V. 154; 0.67). Duval Co,, Te.xas. W. Taylor, Esq. [0.]. 



d. Yg. (V .163 ; 0. 76). El Paso, Texas. Mr. A. Forrer [0.1 



e. $ (V. 153 ; C. .P). Tucson, Arizona. A. Erwiu Brown, Esq. [P.]. 



K. Var. radix. 



Eutainia radix, Baird ^ Gir. Cat. N. Am. Kept. p. 34 (1853) ; 



Kennicott, Rep. U.S. E.vplor. Surv. R. R. xii. pt. ii. p. 299 



(1860) ; Coues 8r Yarrow, Bull. U.S. Qeol. Surv. iv. 1878, p. 277; 



Cope, Proc. U.S. Nat. Mies. xiv. 1892, p. 650 ; S. Garm. Bull. 



Illin. Lab. iii. 1892, p. 266. 



haydenii, Kennicott, I. c. p. 298, pi. xiv. 



Tropidonotus sirtalis, vars, radix & liaydenii, Jan, Arch. Zool. A.iat. 



Phys. iii. 1865, p. 212. 

 ? Tropidonotus glaphyros, Jan, I. c. p. 214. 

 Eutsenia radix twiningi, Coues ^ Yarrow, I. c. p. 279. 

 radix melanoteenia, 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 ac 

 the outer end of each ventral. 



North America, north of 37°, from the Kooky Mountains to 

 Manitoba and Indiana. 



u. 5 (V. 168; 0. 68). Platte River. Smithsonian Inst. [P.]. 



(As P!. haydenii.) 



b. 5 (V. 161 ; 0. 73). Island Lake, Lyon Prof. G. B. Howes 



Co., Minnesota. [P.]. 



c. S (V. 146; C. ?). Illinois. Smithsonian Inst. [P.]. 



(As E. radix.) 



d. S (V. 163; C. 71). Kansas. 



e-q (J (V. 166 ; 0. ?) & Canada. G. M. Dawson, Esq. 



$ (V. 164, 171 ; 0. 71, ?). [0.]. Boundary Com- 



mission. 

 h,i. (f (V. 167, 17-'!; C. ?, Mouse Jaw, Assi- Prof. 0. Eigenmann 

 7.5) niboia,W. Canada. [0.]. 



p2 



