Séance du 16 Octobre 1912. 



Présidence de M. J. Alfieri 



Doiìs ir ouvrages pour la bibliothèque : 



De I'United States Department of Agriculture, 

 de Washington : An Internai Parasite of Thysanop- 

 tera, by H. M. Russell ; The Life History of the 

 Alder Blight Aphis, by Theo Pergande ; The Grape 

 Scale, by James Zimmer; Studies on a New Species 

 of Toxoptera, by W. I. Phillips and J. J. Davis ; 

 The Cause of European Foul Brood, by G. F. White; 

 Preliminary Report on the Alfalfa Weevil, by F. M. 

 Webster ; The Cotton Worm or Cotton Caterpillar 

 (Alabama argillacea), by W. D. Hunter; The Control 

 of the Boll Weevil, by W. D. Hunter ; Technical 

 Results from the Gipsy Moth Parasite Laboratory, 

 V. Experimental parasitism : A Study of the Biology 

 of Limnerium Valdidum, by P. H. Timberlake ; The 

 Legume Pod Moth, the Legume Pod Maggot, by James 

 A.Hyslop; The Leaf Blister Mite, by A. L.Quaintance; 

 The Rice Water Weevil and Methods for its Control; 

 Insect Damage to MineProps and Methods of Preventing 

 the Injury, by T. E. Soryder ; Spraying experiments 

 against the Grape Leafhopper in the Lake Erie 

 Valley in 1911, b}^ Fred. Johnson ; The Greenhouse 

 Thrips, by H. M. Russell ; The Clover Mite, by F. 

 M. Webster ; Damage to the Wood of Fire-Killed 

 Douglas Fir, and Methods of Preventing Losses, in 

 Western Washington and Oregon, by A. D. Hopkins; 



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