88. COROXELLA. 201 



Total leng(-,h TOO millim. ; tail 120. 

 North America east of the Mississippi. 



A. A light V- or Y-shaped markiDg on the occiput. ( C. triangulum.) 



a. cJ (V. 207 ; C. 50). Canada. Chatham Mus. 



b-c. 2 (V. 198; C. 52) & Bloom ington, Indiana. C. II. Bollman, Esq. 



vg. (V. 196 ; C. 4.3). [C.l. 



d-'e: Ilgr. (V. 197 ; C. 46) New York. Mr. J. Murray [P.]. 



& yg. (V. 190 ; C. 47). 

 /•. Yg. (V. 206; C. 53). N.America. E. Douhleday, Esq. 



[P.]. 

 g, h, i, k. S (V. 195 ; C. N. America. 



49), 2 (V.193; C.49), 



hgr. (V. 202 ; C. 51), & 



yg. (V.202; C. 51). 



B. A light transverse collar behind the parietals. 

 (Var. collaris, Cope.) 



a. Ilgr. (V. 195 ; C. 45). N. America. G. Henshaw, Esq. 



[P.]. 

 h. Hsv. (V. 198 ; C. 46). N. America. Dr. Jacob Green [P.]. 



<;■. Hgr. (Y. 189; C. 51). N. America. 



This variety connects 0. triangulum with C. geniilis and C. doliata. 



11. Coronella gentilis. 



Ophibolus doliatus, Baird ^- Gir. Cat. K. Am. Rept. p. 89 (1853) ; 



Diiffes, La Natura/eza, iii. 1875, p. 222, pi. — • (?) ; Cope, Proc. 



U.S. Nat. Mim. xiv. 1892, p. 608. 

 gentilis, Baird Sf Gir. I. c. p. 90, and Marcj/^s Explor. Red Rio. 



p. 229, pi. viii. (18.53). 

 Coronella doliata, part., Dum.'^ Bibr. vii. p. 621 (1854) ; Giinth. Cat. 



p. 41 (1858). 

 dohata, Halloio. Proc. Ac. Philad. 1856, p. 247; Wied, N. 



Acta Ac. Leop.-Curol. xxxii. i. 1865, p. 99. 

 Lampropeltis doliata. Cope, Proc. Ac. Philad. 1860, p. 256. 



annulata, Coije, I. c. p. 257. 



multistiiata, Kennicntt, Proc. Ac. Philad. 1860, p. 328 ; 



Stejneger, Proc. U.S. Nat. Mtis. xiv. 1891, p. 502. 



annulata. part., Ketmicott, I. c. p. 329. 



Coronella doliata, var. gentilis, Jan, Arch. Zool. Anaf. Phi/x. ii. 



1863, p. 241, and Icon. Gen. 17, pi. i. fig. 2 (1866) ; Bocourt,' Miss. 



Sc. Me.i:, Rept. p. 610, pi. xxxix. fig. 5 (1886). 

 Ophibolus doliatus coccineus, gentilis, annulatus, et doliatus, Cope, 



Check-list N. Am. Rept. pp. 4, 36 (1875), and Proc. U.S. Nat. 



Mui. xi. 1888, p. 381, and Am. Nat. 1893, p. 1067, pis. xxvi. & 



xxviii. 



multistratus, Cojye, Check-list. p. 37. 



trians^ulus, vars. mexicauus (?), doliatus, et gentilis, Garman, 



N. Am.^Rept. p. 66 (1883). 

 doliatus svspvlus, Cope, Proc. U.S. Nat. Mus. xi. 1888, p. 383, 



atid Am. Nat. 1893, p. 1067, pi. xxvii. fig. 1. 

 ? Coronella mexicana, Giinth. Biol. C.-Aiu., Rept. p. 110 (1893). 



Snout slightly prominent : rostral about once and a half as broad 

 as deep, the portion visible from above measuring about one third 



