426 THE CANADIAN ENTOMOLOGIST 



Report of the Provincial Museum of Natural History 

 FOR THE Year 1917.— Victoria, B.C., 1918. 35 pp. 



Entomology. By E. H. Blackmore, (pp. 09 to 15, with 2 

 plates) . 



This paper contains notes on some of the injurious insects of 

 the season; an account of a collecting trip for the Museum to the 

 Lower Fraser Valley District; a list of 14 species of Odonata, 

 recently identified for the Museum; notes on rarer insects, taken in 

 the Province during 1917; and an annotated list of British Colum- 

 bian Lepidoptera described during the same year. The paper is 

 illustrated by two plates from photographs, the first showing 

 Noctuidae, the second Geometridae. 



Economical Sprays and Spraying for 1918. By. L. Caesar, 

 O. A. College, Guelph. Forty-ninth Annual Report Fruit Grow- 

 ers' Assoc, of Ont., 1917, (1917) pp. 20-25. 



Insects and Fungicides. By L. Caesar, O. A. C, Guelph. 

 13th Ann. Rep. Vegetable Growers' Assoc, of Ont., 1917 (1918), 

 pp. 29-32. 



In these two papers the various insecticides and fungicides on 

 the market during the season of 1918 are discussed, their charac- 

 teristics and relative merits given and the prices likely to prevail 

 stated. In the first paper the question of the substitution of 

 arsenate of lime for arsenate of lead is considered at some length, 

 and on account of differences of opinion in different localities on 

 this question, the author does not recommend the former as a 

 general substitute for the latter, though he regards it as safer to 

 use on apples just before the blossoms burst. 



The Protection of Plants.. By Georges Maheux. Bull. No. 42, 

 Dept. Agric. Prov. Quebec. July, 1918. 30 pp. Published in 

 English and French. 



A brief and concise summary of methods for the control of 

 injurious insects and plant diseases, illustrated by numerous text 

 figures. The matter is arranged as follows: 



I. Insects injurious to all crops. Under this heading the 

 principal types of noxious insects are described, and the general 

 methods of control outlined. 



II. Insects injurious to vegetables. The various kinds of 



December, 1918 



