1917] Grinnell-Camp: Amphibians and Reptiles of California 147 
Rana boylii muscosa Camp 
Sierra Madre Yellow-legged Frog 
OrieinaL Descrrerion.—Rana boylii muscosa Camp, Univ. Calif. 
Publ. Zool., 17, February 3, 1917, pp. 118-120. 
Rana boylit boylii 
Rana boylii muscosa 
Rana boylit sierrae 
Rana pretiosa pretiosa 
Rana pretiosa luteiventris 
Rana aurora aurora 4 
Rana aurora draytonii 
Intergrade 
+16) (O10) (Pp on) Een 
Rana pipiens 
Ranges of Rana boylii and 
Rana aurora outlined 
DISTRIBUTION MAP 
MUSEUM OF VERTEBRATE ZOOLOGY 
UNIVERSITY OP CAJ.IFORNLA Ss 
| 
Fig. 5. Distribution of Frogs (Rana) in Califernia. 
Type Locauiry—Arroyo Seco Canon, near Pasadena, California. 
Rance—San Gabriel (both the desert and Pacific drainages), San 
Bernardino and San Jacinto mountains. Northwesternmost stations 
for typical specimens, Arroyo Seco Cafion near Pasadena, and Little 
Rock Creek, in Los Angeles County ; southeasternmost station, Straw- 
