48. CROTALUS 927 



1853, p. 217, Zool. pi. I; Hallowell. Proc. Acad. Nat. Sci. Phila., 

 1856, p. 250; Baird, U. S. Pac. R. R. Surv., Vol. X, 1859, Rept., 

 p. 40; Baird, U. S. Mex. Bound. Surv., Vol. II, 1859, Rept., p. 14; 

 Cope, Proc. Acad. Nat. Sci. Phila., 1859 (i860), p. 337; Cooper, 

 U. S. Pac. R. R. Surv., Vol. XII, Pt. Ill, i860, p. 295, pl- XII; 

 Cooper, Amer. Naturalist, 1869, p. 124; Cope, Bull. U. S. Nat. 

 Mus., No. I, 1875, p. 32', Yarrow, Surv. W. looth Merid., Vol. 

 V, 1875, P- 530 (pat't); CouEs & Yarrow, Bull. Geol. Surv. Terr. 

 (Hayden), Vol. IV, No. i, 1878, p. 262; Cope, Amer. Naturalist, 

 Vol. XIII, 1879, p. 435; Cope, Bull. U. S. Nat. Mus., No. 17, 

 1880, p. 24; Cragin, Trans. Kansas Acad. Sci., Vol. VII, 1881, 

 p. 121; Garman, Mem. Mus. Compr. Zool., Vol. VIII, No. 3, 



1883, pp. 114, 172; Garman, Bull. Essex Inst., Vol. XVI, No. i, 



1884, p. 34; Stejneger, N. Amer. Fauna, No. 5, 1891, p. in; 

 Taylor, Ann. Rep. Nebraska State Board Agric. for 1891, 1892, 

 p. 354; Hay, Proc. U. S. Nat. Mus., Vol. XV, 1892, p. 387; Coues, 

 Hist. Exp. Lewis & Clark, 1893, Vol. I, p. 313, Vol. II, p. 373; 

 Stejneger, Report U. S. Nat. Mus. for 1893, 189J, p. 440, pl. 

 12; B0UI.ENGER, Cat. Snakes Brit. Mus., Vol. Ill, 1896, p. 576 

 (part); Van Denburgh, Occas. Papers Cal. Acad. Sci., Vol. V, 

 1897, p. 218, fig.; Brown, Proc. Acad. Nat. Sci. Phila., 1901, p. 

 104; Brown, Proc. Acad. Nat. Sci. Phila., 1903, p. 551; Branson, 

 Kansas Univ. Sci. Bull., Vol. II, No. 13, 1904, p. 426, fig. 39; Bailey, 

 N. Amer. Fauna, No. 25, 1905, pp. 35, 50; Mozley, Trans. Kansas 

 Acad. Sci., Vol. VI, reprint, 1906, p. 35; Ditmars, Reptile Book, 

 1907, p. 455, pis. CXXIX, fig. 4, CXXX, fig. 3, CXXXIV, fig. i; 

 Cary, N. Amer. Fauna, No. 33, 191 1, pp. 21, 23, 27; Ellis & 

 Henderson, Univ. Colorado Studies, Vol. X, No. 2, 1913, p. 109; 

 Strecker, Baylor Bulletin, Vol. XVIII, No. 4, 1915, p. 44; Ellis 

 & Henderson, Univ. Colorado Bull., Vol. XV, No. 6, 191 5, p. 

 263; VoRHiEs, Univ. Ariz. Agric. Exper. Station Bull. No. 83, 

 i9'7) P- 360; Stejneger & Barbour, Check List N. Amer. Amph. 

 Rept., 1917, p. 109; Van Denburgh & Slevin, Proc. Cal. Acad. 

 Sci., Ser. 4, Vol. XI, 1921, p. 40. 



Crotalus lecontei Hallowell, Proc. Acad. Nat. Sci. Phila., Vol. VI, 

 i8j2, p. 180 (type locality, Cross Timbers); Hallowell, in Sit- 

 greaves' Exped. Zufii and Colorado Rivers, 1854, p. 139 (part). 



Crotalus adamanteus var. confluentus, Jan, Rev. et Mag. Zool., 1859, 

 No. 12, repr. p. 28; Jan, Elenco Sist. degli Ofidi, 1863, p. 124. 



