122 
64. 
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68. 
69. 
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72. 
THE ROYAL SOCIETY OF CANADA 
Hopkins, A. D. 
Contributions toward a Monograph of the Bark-weevils of the Genus Pis- 
sodes. Bull. No. 20. Part 1. Techn. Ser., Bureau of Ent., U. S. Dept. 
Agric., Washington. 68 pp. 22 pls. 9 figs, 1911. (In addition to taxonomic 
details of this important class of forest insects the results of considerable 
systematic work are given. Thirty species are recognized from North 
America of which twenty three species are new; six of these are from 
Canada). 
Howitt, J. E. 
The Bean Maggot in Ontario in 1910. 41st. Ann. Rep. Ent. Soc. Ont., pp. 
56-59, 1 fig. 1911. (An account of the injuries, life-history and control 
measures of Pegomyia fusciceps). 
Jarvis, T. D. 
The Coccidae of Canada. 41st. Ann. Rep. Ent. Soc. Ont., pp. 64-77, 1911. 
(An account of the habits, characteristics, enemies and classification of 
Canadian Coccidae, together with a lengthy bibliography). 
Jarvis, T. D. 
Aleyrodidae of Ontario, 41st. Ann. Rep. Ent. Soc. Ont., pp. 78-81, 1911. 
(An account of the commonest species of Aleyrodidae (White Flies) and 
the measures of control). 
Johannsen, O. A. 
The Fungus Gnats of North America. Bull. No. 196, Maine Agric. Exp. 
Sta., pp. 249-328. 5 pls. (Contains on pp. 261, 264, 275, and 319, references 
to Canadian species). 
Johnson, C. W. 
New North American Diptera. Psyche. Vol. 19, pp. 1-5. 1911. (A new 
species of Stratiomyid Nemoteles bonnarius is described from Southern 
Saskatchewan). 
Kraus, E. J. and Hopkins, A. D. 
A Revision of the Powder-post Beetles of the Family Lycitidae of the 
United States and Europe. Bull. No. 20, pt. III. Techn. Ser., Bur. Ent., 
U.S. Dept. Agric., Washington, pp. 107-138, 1911. (A systematic revision 
of this class of insects injurious to seasoned wood products, with notes on 
the habits and distribution and list of described species). 
Lochhead, W. 
Adaptations between Plants and Insects. Third Ann. Rep. Que. Soc. 
Protection of Plants, ete., pp. 43-53. 1911. (A popular account of the 
various relations of insects to flowers). 
Lyman, H. H. 
First International Congress of Entomology. 41st Ann. Rep. Ent. Soc. 
Ont., pp. 34-37. 1911. (A brief account of the Congress). 
