702 13. COLUBRID 
157. Arizona elegans Kennicott 
FapEep SNAKE 
Plates 66 and 73 
Arizona elegans Kennicotr, U. S. Mex. Bound. Surv., Vol. II, 1859, 
Rept., p. 18, pl. 13 (type locality, “Rio Grande,’’ Texas, and 
“between Arkansas and Cimarron,” Oklahoma); Bairp, Rep. 
Pac. R. R. Surv., Vol. X, 1859, p. 42; Bocourr, Miss. Sci. Mex., 
Rept., me livr., 1888, p. 676; CocKkERELL, American Naturalist, 
Vol. XXX, April, 1896, p. 326; Van Denpurcu, Occas. Papers Cal. 
Acad. Sci., V, 1897, p. 193, figs.; McLain, Critical Notes, 1899, 
p- 11; Brown, Proc. Acad. Nat. Sci., Phila., 1903, pp. 549, 5533 
Van Densurau, Proc. Cal. Acad. Sci., Ser. 3, Vol. 4, 1906, p. 66; 
Van Densurcu, Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 1912, p. 
150; Van DenBurcH & Stevin, Proc. Cal. Acad. Sci., Ser. 4, Vol. 
3 1913, p. 417; Arsatr, Univ. Cal. Publ. Zool., Vol. 12, No. 3, 
1913, p- 43; StRECKER, Baylor Bulletin, Vol. XVIII, No. 4, p. 343 
GrInNELL & Camp, Univ. Cal. Publ. Zool., Vol. 17, No. 10, 1917, 
p- 192; SrEJNEGER & Barspour, Check List N. Amer. Amph. Rept., 
1917, p. 85; STEPHENS, Trans. San Diego Soc. Nat. Hist., Vol. 
III, No. 4, 1921, p. 64; Van DensurcH & Stevin, Proc. Cal. 
Acad. Sci., Ser. 4, Vol. XI, 1921, pp. 52, 67. 
Pityophis elegans Cope, Bull. U.S. Nat. Mus., No. 1, 1875, p. 39; YARROW, 
Surv. W. tooth Merid., Vol. V, 1875, p. 541; Cougs, Surv. W, 
rooth Merid., Vol. V, 1875, p. 618; Yarrow, Bull. U. S. Nat. Mus., 
No. 24, 1883, pp. 16, 108. 
Rhinechis elegans Cort, Proc. Amer. Philos. Soc., Vol. XXIII, 1886, 
p-. 284; Cope, Bull. U. S. Nat. Mus., No. 32, 1887, p. 72; Cope, 
Proc. U. S. Nat. Mus., Vol. XIV, 1892, p. 638; Cope, Amer. Nat., 
Vol. XXX, 1896, p. 1014; Cope, Report U. S. Nat. Mus. for 1898, 
1900, p. 863; Brown, Proc. Acad. Nat. Sci. Phila., 1901, p. 52; 
Dirmars, Reptile Book, 1907, p. 314, pls. XCVI, fig. 2, XCVII, 
figs. I, 4. 
Coluber arizone Bou.encEr, Cat. Snakes Brit. Mus., Vol. II, 1894, p. 
66. 
Description —Head flat-topped or slightly rounded, 
with snout projecting and rather narrow. Temporal regions 
not swollen. Rostral plate very large, prominent, recurved 
between internasals on top of snout, and bounded behind by 
internasal, anterior nasal, and first labial plates. Plates on 
