274 THE ROYAL SOCIETY OF CANADA 



90. MacGillivray, A. D. 



New genera and species of Sawflies. — Can. Ent., vol. 46, pp. 363-367, 

 October, 1914. (Includes a new species, Metallus Bethunei, bred by Prof 

 Caesar from a leaf-mining larva on blackberry in the Niagara fruit dis- 

 trict). 



91. MacGillivray, A. D. 



The immature stages of the Tenthredinidae. 44th Annual Report, Ent. 

 Soc. Ont., pp. 54-75, plate, 1914. (An important contribution to the know- 

 ledge of the family of Sawflies). 



92. Macnamara, C. 



The Snow-flea. Ottawa Naturalist, vol. 28, pp. 110-112, November, 

 1914. (An interesting account of these tiny insects of the sub-order Col- 

 lembola observed at Arnprior, Ont., during the winter months). 



93. Malloch, J. R. 



American Black-flies or Bufi'alo Gnats. U. S. Bureau of Entomology, 

 Technical Series, No. 26, pp. 72, six plates, April, 1914. (Several new 

 species are described from British Columbia: Prosimulium pleurale 

 and mutatum; Simulium arcticuni and hunieri; other species are recorded 

 from B.C., Alberta, Sask., and Labrador). 



94. Matheson, R. 



The San Jose Scale in Nova Scotia. Journ. Econ. Ent., vol. 7, No. 1, 

 pp. 141-146, map, February, 1914. (Reports the discovery of the Scale 

 in 1911 and the measures of control subsequently adopted). 



95. Matheson, R. 



Insects injurious to Vegetables. Annual Report of the Secretary for 

 Agriculture, Province of Nova Scotia, for»the year 1913, pp. 78-91, Halifax, 

 1914. (Treats of methods of control and describes briefly the most com- 

 mon injurious species). 



96. Matheson, R. 



Life-history of a Dytiscid Beetle (Hydroporus septentrionalis, Gyll). Can. 

 Ent., vol. 46, pp. 37-40, plate and figures, February, 1914. 



97. Matheson, R. 



Life-history notes on two Coleoptera (Parnidae). — Can. Ent., vol. 46, 

 pp. 185-189, plate xii, June, 1914. (Describes and figures the aquatic 

 species Psephenus Lecontei and Stenelmis hicarinatus observed in Nova 

 Scotia). 



98. Matheson, R. 



Notes on Hydrophilus triangularis, Say. Can. Ent., vol. 46, pp. 337-343, 

 plate and figures, October, 1914. (Describes and illustrates the eggs and 

 their cases, the larva and pupa of this large water- beetle). 



99. MOORHOUSE, H. J. 



The Control of Injurious Insects. Agric. Gazette of Canada, vol. 1, No. 

 10, pp. 809-812, Oct., 1914. (Gives an account of the injurious insects 



