PLATE XII. 
WASPS AND BEES. 
i = Sphctroplithalmus californicus. 
2=Polistes aurifer. 
3=Stizus sp. 
4=Psithyrus elatus. 
5 = Bombus vagans. 
6=Agapost emon radiata. 
7=Xylocopa virginica. 
8=Bembex spinolae 
9=Vespa germanica. 
io= Bombus californicus. 
n = Anthophora pacifica. 
I2 = Polybia flavitarsis. 
i3=Chalybion cceruleum. 
I4 =Sphex ichneumonea. 
15=Pelopeus servilla. 
