NATURAL HISTOKY, TORONTO REGION 



Anthophoridae (Solitary Bees). 



Anthophora bomboides, Kirby. 

 Prosopidae. 



Prosopis affinis, Smith. 

 Megachilidae (Mason Bees, Leaf-cutting Bees). 



Megachile brevis, Say. 

 " vidua, Smith, 

 latimanus, Say. 



Osmia distincta, Cress. 

 Ceratinidae (Small Carpenter Bees). 



Ceratina dupla, Say. 

 Xylocopidae (Large Carpenter Bees). 



Xylocopa virginica, Dm. 



Apidae (Honey-bees, Humble Bees) 

 Psithyrus ashtoni, Cress. 

 " laboriosus, F. 

 Bombus consimilis, Cress. 



fervidus, F. 

 ' ternarius, Say. 

 " terricola, Kby. 

 " vagans, Smith. 

 Apis mellifera, L. 



Order DIPTERA. 



Species marked (V) were taken by Mr. M. 0. 

 Van Duzee; those marked (B) are in the Provincial 

 Museum, Toronto, collected by Dr. Brodie; those 

 marked (C) were contributed by Dr. A. Cosens; 

 those marked (W) by the writer. 

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