NATURAL HISTORY, TORONTO REGION 
Anthophoridae (Solitary Bees). 
Anthophora bomboides, Kirby. 
Prosopidae. 
Prosopis affinis, Smith. 
Megachilidae (Mason Bees, Leaf-cutting Bees). 
Megachile brevis, Say. 
fe vidua, Smith. 
a latimanus, Say. 
Osmia distincta, Cress. 
Ceratinidae (Small Carpenter Bees). 
Ceratina dupla, Say. 
Xylocopidae (Large Carpenter Bees). 
Xylocopa virginica, Dru. 
Apidae (Honey-bees, Humble Bees) 
Psithyrus ashtoni, Cress. 
a laboriosus, F. 
- Bombus consimilis, Cress. 
“ fervidus, F. 
ternarius, Say. 
terricola, Kby. 
vagans, Smith. 
Apis mellifera, L. 
‘ 
“ 
(79 
Order DIPTERA. 
Species marked (V) were taken by Mr. M. C. 
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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