1917] Grinnell-Camp: Amphibians and Reptiles of California 197 
has examined Garman’s type and finds it to belong to the species which 
has currently borne the name ruber. | 
Type Locaurry.—Cedros Island, Lower California. 
Synonyms.—Crotalus atrox, part; Crotalus adamanteus ruber 
Cope, Proce. U. 8S. Nat. Mus., 14, 1891, pp. 690-691 (type locality 
unknown) ; Crotalus atrox ruber; Crotalus ruber. 
Common Names.—Red Diamond Rattlesnake; Western Diamond 
_ Rattlesnake, part. 
Rance.—Extreme southwestern corner of the state. Oceurs north 
to Reche Caton (Camp, MS) and Cabezon (Atsatt, Univ. Calif. Publ. 
Zool., 12, 1913, p. 44), in Riverside County ; east to Dos Palmos Spring, 
3500 feet altitude, Santa Rosa Mountains, Riverside County (Atsatt, 
loc. cit.), and to Mountain Spring, in San Diego County (Cope, Ann. 
Rep. U. 8. Nat. Mus., 1898 [1900], p. 1169) ; west to Deluz (Van 
Denburgh, Oce. Papers Calif. Acad. Sei., 5, 1897, p. 228), to Twin 
Oaks (Stejneger, Ann. Rep. U. S. Nat. Mus., 1893, p. 440), and to 
El Nido P. O. (Cope, loc. cit.), in San Diego County. Oceupies the 
Upper Sonoran life-zone. Inhabits chiefly chaparral-covered and 
rocky hillslopes. (See fig. 14.) 
Crotalus tigris Kennicott 
Tiger Rattlesnake 
OrigiNAL Description.—Crotalus tigris Kennicott, U. S. Mex. 
Bound. Surv., 2, 1859, pt. 2, Reptiles, p. 14, pl. 4. 
Type Locauiry.—Sierra Verde and Pozo Verde [Sierra del 
Pozo Verde, Arizona: Stejneger, N. Amer. Fauna, 7, 1893, p. 214]. 
RanGeE.—South-central portion of the state east of the Sierra 
Nevada, chiefly in desert ranges of Inyo County. Recorded north- 
west to Beveridge Canon, 8000 feet altitude, Inyo Mountains (Meek, 
Field Columb. Mus., zool. ser., 7, 1905 [1906], p. 16) ; west to Inde- 
pendence Creek and Coso Valley, and south to Slate Range, 3100 feet 
altitude (Stejneger, loc. cit.). Life-zone, chiefly Upper Sonoran. In- 
habits rocky situations. (See fig. 14.) 
Crotalus mitchellii (Cope) 
Pallid Rattlesnake 
OrIGInAL DeEscripTion.—Caudisona mitchellii Cope, Proc. Acad. 
Nat. Sci. Phila., 1861, pp. 293-294. 
Type Locatiry.—Cape San Lueas, Lower California. 
