PLATE 3 
Pig. 5. Thornhill pond, 3 miles southeast of Berkeley, Alameda County, photo- 
graphed May 9, 1922. Spawning place of Triturus torosus along right-hand mar- 
gin, of Hyla regilla in far end, and of Bana aurora draytonii in left foreground. 
Fig. 6. Papermill Creek near Tocaloma, Marin County, photographed May 5, 
1923. Spawning place and permanent habitat of B ana lioylii ~boylii; used also 
by Triturus torosus. 
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