259 
1925 ] Storer: A Synopsis of the Amphibia of California 
Fig. PP. Graph showing seasonal history of a California foothill stream, the 
habitat of Bana boylii boylii. Complete graph shows average discharge of water 
in second-feet in Arroyo Seco Creek, 15 miles south of Soledad, Monterey County, 
California, throughout the year, for the period 1909-1918 ; upper partial graph 
shows maximum flow during portion of year when Bana boylii boylii is spawning, 
lower partial graph minimum flow during same season. Compiled from data in 
U. S. Geological Survey, Water Supply Papers nos. 271., 291, 311, 331, 361, 391, 
411, 441, 461, 481. 
