950 16. CROTALIDM 



CauJisona pyrrha COPE, Proc. Acad. Nat. Sci. Phila., 1866, pp. 308, 

 310 (type locality, Canyon Prieto near Fort Whipple, Arizona); 

 COPE, Surv. W. icoth Merid., Vol. V, 1875, p. 535; COUES, Surv. 

 W. looth Merid., Vol. V, 1875, p. 608. 



Crotalus mitchellii COPE, in Yarrow, Surv. W. looth Merid., Vol. V, 

 J875, P- 535? COPE, Bull. U. S. Nat. Mus., No. i, 1875, p. 33; 

 YARROW, Bull. U. S. Nat. Mus., No. 24, 1883, pp. 73, 189; COPE, 

 Bull. U. S. Nat. Mus., No. 32, 1887, p. 90; BELDINC, West Amer. 

 Scientist, Vol. Ill, No. 24, p. 98; COPE, Proc. U. S. Nat. Mus., 

 Vol. XIV, 1892, p. 694; VAN DENBURCH, Proc. Cal. Acad. Sci., 

 Ser. 2, Vol. 4, 1894, p. 450; STEJNECER, Report U. S. Nat. Mus. 

 for 1893, 1895, p. 454; VAN DENBURGH, Proc. Cal. Acad. Sci., Ser. 

 2, Vol. 5, 1895, p. 159; BOULENGER, Cat. Snakes Brit. Mus., Vol. 

 Ill, 1896, p. 580; Me LAIN, Critical Notes, 1899, p. 13; MOCQUARD, 

 Nouv. Arch. Mus. Hist. Nat., Paris, Ser. 4, Vol. I, 1899, P- 33 ' 

 COPE, Report U. S. Nat. Mus. for 1898, 1900, p. 1193, figs. 345, 

 346; BROWN, Proc. Acad. Nat. Sci. Phila., 1901, p. 108; VAN DEN- 

 BURGH, Proc. Cal. Acad. Sci., Ser. 3, Vol. 4, No. I, 1905, pp. 3, 26; 

 MEEK, Field Columbian Mus., Zool. Ser., Vol. VII, No. I, 1906, 

 p. 18; DITMARS, Reptile Book, 1907, p. 463; GRINNELL & GRINNELL, 

 Throop Inst. Bull., No. XXXV, 1907, p. 59; GRINNELL, Univ. 

 Cal. Publ. Zool., Vol. 5, No. i, 1908, p. 170; MOCQUARD, Miss. 

 Sci. au Mexique, Pt. Ill, Rept., 1909, p. 970, pi. 77, figs. 6, 6a; 

 VAN DENBURGH Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 1912, p. 152; 

 VAN DENBURGH & SLEVIN, Proc. Cal. Acad. Sci., Ser. 4, Vol. 3, 

 1913, p. 429, pi. XXVI, fig. 2; ATSATT, Univ. Cal. Publ. Zool., 

 Vol. 12, No. 3, 1913, p. 44; VAN DENBURGH & SLEVIN, Proc. Cal. 

 Acad. Sci., Ser. 4, Vol. 4, 1914, pp. 133, 145, 147; CAMP, Univ. Cal. 

 Publ. Zool., Vol. 12, No. 17, 1916, p. 533; GRINNELL & CAMP, 

 Univ. Cal. Publ. Zool., Vol. 17, No. 10, 1917, p. 197; VORHIES, 

 Univ. Ariz. Agric. Exper. Station Bull. No. 83, 1917, p. 359; STEJ- 

 NEGER & BARBOUR, Check List N. Amer. Amph. Rept., 1917, 

 p. HO; COWLES, Journ. Entomol. & Zool., Pomona College, Vol. 

 XII, No. 3, 1920, p. 66; STEPHENS, Trans. San Diego Soc. Nat. 

 Hist., Vol. Ill, No. 4, 1921, p. 65; VAN DENBURGH & SLEVIN, 

 Proc. Cal. Acad. Sci., Ser. 4, Vol. XI, 1921, pp. 53, 72; NELSON, 

 Mem. Nat. Acad. Sci., Vol. XVI, 1921, pp. 115, 159. 



Crotalut pyrrhus COPE, Bull. U. S. Nat. Mus., No. i, 1875, p. 33; COPE, 

 in Yarrow, Surv. W. icoth Merid., Vol. V, 1875, p. 535, pi. XXII; 

 STREETS, Bull. U. S. Nat. Mus., No. 7, 1877, p. 39; YARROW & 

 HENSHAW, Ann. Rep. Chief of Engineers for 1878, Surv. W. icoth 



