56 THE ROYAL SOCIETY OF CANADA 



22. Davidson, J. 



Entomology from the standpoint of a Botanist. Proc. B. C. Ent. Soc. No. 

 3, n.s. 1913, pp. 5-9. (Discusses the interrelation of plants and insects.) 



23. Day, G. O. 



A plea for the study of Systematic Entomology — Proc. B. C. Ent. Soc. No. 

 3, n.s. 1913, pp. 29-30. 



24. Dean, G. A. 



Heat as a means of controlling Mill Insects. Journal of Economic Ent. 

 vol. 6, No. 1, pp. 40-53, February 1913. (Records the success of this method 

 of freeing mills from insect infestations in .southern Canada and several 

 States and gives directions for its employment). 



25. Deshayes, L. 



Chez les Pucerons. Le Naturaliste Canadien, vol. 39, No. 9, pp. 130-137, 

 Mars; No. 10, pp. 154-159, Avril; No. 11, pp. 164-166, Mai, 1913. (A 

 popular description of the life-history, habits, importance, etc. of Aphids). 



26. Fall, H. C. 



A brief review of our species of Magdalis, with notes and descriptions of 

 other North American Rhyncophora. Trans. Am. Ent. Soc, Philadelphia, 

 vol. 39, pp. 23-72, March 1913. (Includes the description of a new species 

 M. austera, from Ontario, bred from Pinus strobus; and notes on some 

 British Columbia examples). 



27. Felt, E. P. 



Descriptions of Gall Midges (Diptera). Journal New York Ent. Soc, vol. 

 21, No. 3, pp. 213-219, September 1913. (The gall and all stages of the 

 midge, Dasyneura parthenocissi, Stebb, taken at Guelph, Ont. on Virginia 

 creeper, are described.) 



28. Felt, E. P. 



Adaptation in the Gall Midges. Can. Ent. vol. 45, pp. 371-379, two plates, 

 November 1913. (Divides the forms of adaptation into three groups, 

 Strength, aggressive and defensive, Prolificacy and Evasive adaptation. 

 Describes various kinds of galls and their structural adaptations.) 



29. Felt, E. P. 



Two new Canadian Gall Midges. Can. Ent. vol. 45, pp. 417-419, December 

 1913. (Describes Cystiphora canadensis from a gall on White Lettuce, and 

 Hormomyia helianthi, Brodie, collected at Toronto). 



30. Folsom, Justus W. 



North American Spring-tails of the sub-family Tomocerinae. Proc. U. 

 S. Nat. Mus. Vol. 46, No. 2037, pp. 451-472, two plates, Dec. 1913. (Two 

 species are recorded from Ontario, Tomocerus vulgaris, Tullb. and T. minor, 

 Lubb). 



31. Forbes, W. T. M. 



An artificial table of the species of Hadena, etc., of Eastern North America 

 north of the Carolinas. Journal New York Ent. Soc. vol. 21, No. 3, pp. 



