10. XROPIDONOTUS. 207 



Tropidonotus taenia, Dekay, N. Y. Faun., Rept. p. 43, pi. xiii. fig. 27 



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



K. Oarrn. Bull. Illin. Lab. iii. 1892, p. 266. 



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



dorsiilis, Baird !^- Gir. I. c. p. 31. 



Tropidonotus ordinatus, part., G'dnth. Cat. p. 73 (1858). 



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



pi. ix. (1859); Cope, Proe. Ac. Philad. 1866, p. .305; Cones, 



Wheeler's Rep. U.S. Surv. W. lOOM Mer. v. p. 613 (1875). 

 Tropidonotus sirtalis, var. dorsalis, Jan, Icon. Gen. 25, pi. iv. fi"-. 1 



(1867). _ 

 Eut<nenia sirtalis, subspp. sirtalis, dorsalis, obscura, parietalis, Cope, 



Wheeler s Rep. U.S. Surv. W. lOO/A Mer. v. p. 546 (1875). 

 sirtalis parietalis, Coues ^- Yarrotc, Bull. U.S. Geol. Surv. iv. 



1878, p. 276. 

 sirtalis semifasciata, Cope, Proc. U.S. Nat. Mm. xiv. 1892, 



p. 662. 

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



Seven upper labials, third and fourth 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 strii)es ; greenish white inferiorly, with a 

 black spot at the outer end of the ventrals. 



North America east of the Eocky Mountains ; North Mexico. 



a-d. $ (V. 161; C. 72), Lake Winnipeg. Sir J. Richardson rP.l. 



hgr. (V. 159 ; 0. 67), & 

 « yg.(V.160,154;C.77,?). 



e. 5 (V. 145; C. ?). ' New York. J. Murrav, Esq. [P.l. 



/. 2 (V. 143; C. i!,-2). Bay View, Michi- Prof . C. Eigenmann [C.]. 



gan. 



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



Co., Minnesota. 



In- C. BoUman, Esq. [C.]. 



Smithsonian lustit. [P.J. 



Smithsonian Instit. [P.]. 



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 ^' Gir. Cat. N. Am. Rept. p. 26 (1853); 



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



Docourt, Bull. Soc. Zool. Fr. 1892, p. 40; Coj)^, Proc. U.S. Nat. 



Mas. xiv. 1892, p. 657. 

 - — - i)ickeringii, Baird S)- Gir. I. c. p. 27 ; Girard, I. c. p. 150, 



pi. xiii. fig. 14. 

 ordinoides, Baird 4" G^»"- I- c. p. 33; Girard, I. c. p. 153, 



pi. xiv. fig. 1. 



