PLATE 15 
Sana aurora draytonii 
Figs. 45, 46. Adult female, no. 8577, Mus. Vert. Zool., from Dublin, Alameda 
County, collected May, 1922, photographed August 1, 1922. About % natural 
size. 3928, 3929. 
Fig. 47. Complete egg mass, from Thornhill pond, 3 miles southeast of Berke- 
ley, Alameda County, collected February 18, 1923. About % natural size. 3993. 
Fig. 48. Three egg masses as grouped in Thornhill pond, photographed Febru- 
ary 21, 1922. 
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