10. TROPIDONOTUS. 207 



Tropidonotus tSBnia, Dekaij, N. Y. Faun., Rept. p. 43, pi. xiii. fig. 27 



(1842). 

 EutaLnia sirtalis, Baird S^ Gir. Cat. N. Am. Rept. p. 30 (1853) ; 



H. Oarm. Bull, lllin. Lab. iii. 1892, p. 266. 



parietalis, Baird ^ Gir. I. c. p. 28. 



dorsalis, Baird 8r Gir. I. c. p. 31. 



Tropidonotus ordinatus, part., Gilnth. Cat. p. 73 (1858). 



Eutainia ornata, Baird, U.S. Mex. Bound. Surv. ii., Rept. p. 16, 



pi. ix. (1859) ; Cope, Proc. Ac. Philad. 1866, p. 305 ; Coues, 



Wheeler's Rep. U.S. Surv. W. lOOth 3£er. v. p. 613 (1875). 

 Tropidonotus sirtalis, var. dorsalis, Jan, Icon. G&n. 35, pi. iv. fig. 1 



(1867). 

 Eutsenia sirtalis, subspp. sirtalis, dorsalis, obsoura, parietalis, Cope, 



Wheeler's Rep. U.S. Surv. W. lOQth Mer. v. p. 546 (1875). 

 sirtalis parietalis, Coues 8f Yarrow, Bull. U.S. Geol. Surv. iv. 



1878, p. 276. 

 sirtalis semifaseiata. Cope, Pi-oa. U.S. Nat. Mus. xiv. 1892, 



p. 662. 

 Thamnophis sirtalis, Garm. Bull. Essex Inst. xxiv. 1892, p. 104. 



Seven npper labials, third and fourtli entering the eye. Scales in 

 19 rows, all strongly keeled. Ventrals 138-170 ; subcaudals 64- 

 86. Brownish olive with black spots, or black above with three 

 yellow, red, or pale green stripes ; greenish white inferiorly, with a 

 black spot at the outer end of the ventrals. 



North America east of the Kooky Mountains ; North Mexico. 



a-d. $ (V. 161; C. 72), Lake Winnipeg. Sir J. Richardson [P.]. 



hgi-. (V. 159;0.67), & 

 P yg.(V.160,154;C.77,?). 



e. $ (V. 145 ; 0. ?). New York. J. Murray, Esq. [P.]. 



/. $ (V. 148; 0. 62). Bay View, Michi- Prof . C. Eigenmann [0.]. 



gan. 



g. Yg. (V. 170 ; 0. 81). Island Lake, Lyon Prof. G. B. Howes [P.]. 



Co., Minnesota. 



h-k. cJ (V. 151, 147 ; 0. Bloomington, In- 0. BoUman, Esq. [C.]. 



76, 69) & yg. (V. 140; diana. 



C. 72). 



l,m,n. S (V. 170, 155; Missouri. Smithsonian Instit. [P.]. 



C.86,69)& ? (V.151; 



C. 76). 



0. Yg. (V. 168 ; C. ?). Utah. Smithsonian Instit. [P.]. 



p. Skull. New Orleans. 



q. Skull. Mexico. 



C. Var. infernalis. 



Coluber infernalis, Blainv. Nouv. Ann. Mus. iv. 1835, p. 59, pi. xxvi. 



fig. 3. 

 Tropidonotus concinnus, Hallow. Proc. Ac. Philad. 1852, p. 182. 

 Eutainia infernalis, Baird Sf Gir. Cat. N. Am. Rept. p. 26 (1853) ; 



Girard, U.S. JExplor. Exped., Herp. p. 148, pi. xiv. fig. 2 (1858) ; 



Bocourt, Bull. Soc. Zool. Fr. 1892, p. 40 ; Cope, Proc. U.S. Nat. 



Mus. xiv. 1892, p. 657. 



pickeringii, Baird 8r Gir. I. e. p. 27 ; Girard, I. c. p. 150, 



pi. xiii. fig. 14. 



ordinoides, Baird 8f Gir. I. c. p. 33; Girard, I. c. p. 163, 



pi. xiv. fig. 1. 



