THE CANADIAN ENTOMOLOGIST 427 



vegetables are taken up in turn, their insect enemies and diseases 

 enumerated and the remedies indicated. 



III. Insects injurious to fruit trees. Following directions 

 for the general treatment of the orchard, the different kinds of 

 fruit trees are taken up as in section II. 



IV. Insects and diseases injurious to fruit bushes. 



V. Insects injurious to cereal crops. 



VI. Sprays. The general principles governing the control of 

 chewing, sucking and boring insects are outlined, followed by the 

 descriptions of the composition and preparation of the chief in- 

 secticides and fungicides. 



From Le Journal d' Agriculture. Vol. 21, 1918: — 



Defense de Culture. By Georges Maheux. No. 7, Jan., p. 

 110. 



Insects nuisibles au hie. By Georges Maheux. No. 9, Mars., 

 pp. 144. 



Le travail de la Section Entomologiqiie. By Georges Maheux. 

 No. 10, Avril, p. 149. 



From Le Naturaliste Canadien. Vol. 44: — 



Les Coleopteres dii Canada. By J. I. Beaulne. No. 7, Jan., 

 pp. 110-111; No. 8, Feb., pp. 123-128; No. 9, Mars., pp. 159-160; 

 No. 11, Mai, pp. 187-191: 



These parts of this useful list, which was begun in vol. 10, 

 No. 1, 1914, complete the Dytiscidae and Gyrinidae and include a 

 portion of the Hydrophilidee. The source of the original descrip- 

 tion and the distribution by provinces is given for each species. 



Une nombreuse posterite. Le puceron de la rudbeckie (Golden 

 Glow aphis) Aphis rudbeckice Fish. By P. Fontanel, S. J. No. 8, 

 Feb., pp. 115-123; No. 9, Mars, pp. 142-144; No. 10, Avril, pp. 

 157-159. 



Describes various features of the life cyce of this aphid and 

 makes a number of calculations based on the theoretical rate of 

 reproduction of the species. 



Notes concernant V Hemerocampe marquee de blanc. By J. C. 

 Chapais. No. 11, Mai, pp. 163-166. 4 figs. 



A brief description of the life-history and methods of control 

 of the White-marked Tussock Moth. 



