Vol. Xxiv] ENTOMOLOGICAL NEWS. 79 



E. C. Strobell (Amer. Soc. Natur.) Spermatogenesis in Spiders, 

 T. S. Painter; The Life-Cycle and Sex in Thysanoptera, A. F. Shull, 

 University of Michigan (Amer. Soc. Zool.) 



INSECTS INJURIOUS TO PLANTS.— Economic Entomology at 

 the Second International Congress of Entomology, L. O. Howard, 

 Washington, D. C. ; New Destructive Insects in New York, P. J. 

 Parrott, Geneva, N. Y. ; Results of Experiments in Controlling the 

 Gypsy Moth by removing its favorite food plants, A. F. Burgess and 

 D. M. Rogers, Boston, Mass. ; Further Data on Heat as a Means of 

 Controlling Mill Insects, George A. DEan, Lawrence, Kans. ; A City's 

 Attempt to Trap Brown-Tail Moths, C. H. HadlEy, Jr., Durham, N. 

 H. ; The Sugar Cane Insects of Porto Rico, D. L. Van Dine, Rio 

 Piedras, C. R. ; Notes on the Rice Water-Weevil, Lissorhoptrus sim- 

 plex Say., and its Control, WitMON Newell, College Station, Texas; 

 The Sugar Beet Leaf-Hopper, E. D. Ball, Logan, Utah ; Some 

 Notes on Laphygma frugipcrda in Porto Rico, Thomas H. Jones, Rio 

 Piedras, P. R. ; Recent Studies on the Weevil and Bud Moth of the 

 Walnut and a Saw fly attacking Blackberry, W. E. Britton, New 

 Haven, Conn. ; The Introduction, Methods of Control, and Spread of 

 the Mediterranean Fruit Fly in the Hawaiian Islands, and the Danger 

 of Introducing this Pest into the United States, Henry H. Severin, 

 Madison, Wis. (Econ. Ent., ii titles). The Disastrous Work of the 

 Mediterranean Fruit Fly and Melon Fly in the Hawaiian Islands, 

 Henry H. SevErin. (Amer. Ass. Off. Hort. Insp.). Peach Stop-back, 

 the work of the Tarnished Plant bug. Controlling the Apple Leaf- 

 Hopper in Missouri, and The Unspotted Tentiform Leaf-miner of 

 the Apple, Leonard HasEman, Columbia, Mo. ; The Codling Moth 

 and One spraying in the Hudson Valley, E. P. Felt, Albany, N. Y. ; 

 Fall Spraying for the Pear Psvlla, H. E. Hodgkiss, Geneva, N. Y. ; 

 The Success of a Two-Spray Calendar in a Kansas Orchard, H. B. 

 HungErford, Lawrence, Kans.; Results of the Arsenical Poisoning 

 Investigation, E. D. Ball, E. G. Titus, and J. E. Gre.'WEs, Logan. 

 Utah ; Notes on comparative tests with Zinc Arsenite and 

 Arsenate of Lead, W. J. SchoEne, Geneva. N. Y. : Arsenical 

 Residues on Fruit, W. C. O'Kane, Durham, N. H. ; Injuries following 

 the application of Petroleum and Petroleum products to Dormant 

 Trees, E. P. Felt, Albany, N. Y. (Econ. Ent., lo titles). 



INSECTS INJURIOUS TO MAN AND OTHER ANIMALS.— 

 Role of Economic Entomology in the Conservation of Human Life, 

 Dr. L. O. Howard, Entomologist U. S. Department of Agriculture, 

 and Permanent Secretary A. A. A. S. (Section I, A. A. A. S.). An- 

 nual address of the President, [Insects Transmitting Disease] W. 

 D. Hunter, U. S. Dept. Agriculture, Washington, D. C. (Econ. Ent.). 



