13. COLUBRIDJE 



1 J 7. Arizona elegans Kennicott 



Faded Snake 



Plates 66 and 73 



Ariiona elegans Kennicott, U. S. Mex. Bound. Surv., Vol. II, 1859, 

 Rept., p. 18, pi. 13 (type locality, "Rio Grande," Texas, and 

 "between Arkansas and Cimarron," Oklahoma); Baird, Rep. 

 Pac. R. R. Surv., Vol. X, 1859, p. 42; Bocourt, Miss. Sci. Mex., 

 Rept., lie livr., 1888, p. 676; Cockerell, American Naturalist, 

 Vol. XXX, April, 1896, p. 326; Van Denburch, 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, 553; 

 Van Denburgh, Proc. Cal. Acad. Sci., Ser. 3, Vol. 4, 1906, p. 66; 

 Van Denburgh, Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 191 2, p. 

 150; Van Denburgh & Slevin, Proc. Cal. Acad. Sci., Ser. 4, Vol. 

 3> I9I3) P- 417; Atsatt, Univ. Cal. Publ. Zool., Vol. la. No. 3, 

 1913, p. 43; Strecker, Baylor Bulletin, Vol. XVIII, No. 4, p. 34; 

 Grinnell & Camp, Univ. Cal. Publ. Zool., Vol. 17, No. 10, 1917, 

 p. 192; Stejneger & Barbour, Check List N. Amer. Amph. Rept., 

 1917, p. 85; Stephens, Trans. San Diego Soc. Nat. Hist., Vol. 

 Ill, No. 4, 1921, p. 64; Van Denburgh & Slevin, Proc. Cal. 

 Acad. Sci., Ser. 4, Vol. XI, 1921, pp. 52, 67. 

 Pityophis elegans Cope, Bull. U. S. Nat. Mus., No. i, 1875, p. 39; Yarrow, 

 Surv. W. looth Merid., Vol. V, 1875, p. 541 ; Coues, Surv. W, 

 looth Merid., Vol. V, 1875, p. 618; Yarrow, Bull. U. S. Nat. Mus., 

 No. 24, 1883, pp. 16, 108. 

 Rhinechis elegans Cope, 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; 

 Ditmars, Reptile Book, 1907, p. 314, pis. XCVI, fig. 2, XCVII, 

 figs. I, 4. 

 Coluber ariionct Boulencer, Cat. Snakes Brit. Mus., Vol. II, 1894, p. 

 66. 



Description. — Head flat-topped or slightly rounded, 

 with snout proj ecting 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 



