950 16. CROTALIDJE 



Caudisona pyrrha Cope, Proc. Acad. Nat. Sci. Phila., 1866, pp. 308, 

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

 Cope, Surv. W. looth 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, 

 1875, p. 535; Cope, Bull. U. S. Nat. Mus., No. i, 1875, p. 32; 

 Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, pp. 73, 189; Cope, 

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

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

 Vol. XIV, 1892, p. 694; Van Denburgh, Proc. Cal. Acad. Sci., 

 Ser. 2, Vol. 4, 1894, p. 450; Stejneger, 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. Snakcs Brit. Mus., Vol. 

 Ill, 1896, p. 580; Mc Lain, Critical Notes, 1899, p. 13; Mocquard, 

 Nouv. Arch. Mus. Hist. Nat., Paris, Ser. 4, Vol. I, 1899, p. 331; 

 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. r52; 

 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. no; 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. 



Crotalus pyrrhus Cope, Bull. U. S. Nat. Mus., No. i, 1875, p. 22\ Cope, 

 in Yarrow, Surv. VV. looth Merid., Vol. V, 1875, p. 535, pi. XXII; 

 Streets, Bull. U. S. N^t. Mus., No. 7, 1877, p. 39; Yarrow & 

 Henshaw, Ann. Rep. Chief of Engineers for 1878, Surv. W. lOoth 



