"Apparatus for the Study of Subterranean Forms," by S. J. Hunter, 

 Lawrence, Kan. (10 minutes.) Lantern slides. 



"A New Sawfly Enemy of the Bull Pine in Nebraska," by Myron H. 

 Swenk, Lincoln, Neb. (15 minutes.) Lantern slides. 



A brief account of the ravages and natural enemies and, in part, the life-history of 

 a new Lophyrine enemy of Pinus ponderosa scopulorum. 



"Notes on the Larch Sawfly in Minnesota," by A. G. Ruggles, St, 

 Anthony Park, Minn. (10 minutes.) 



An account of the range of the species and the damage done in Minnesota, with 

 notes on the enemies, both insect and fungus. 



"Azolla and Mosquitoes," by John B. Smith, New Brunswick, N. J. 

 (10 minutes.) 



Account of investigations made in Germany and Holland on the ecology of Azolla 

 species, and the effect on mosquito breeding. 



"Anti-Mosquito-Malaria Campaigns in California — Methods and 

 Results," by W. B. Hermes, Berkeley, Cal. (15 minutes.) 



A brief review of the anti-mosquito campaigns carried on under the direction of the 

 writer during the year 1910. 



"Oviposition among Tree Crickets," by P. J. Parrott, Geneva, N. 

 Y. (10 minutes.) 



Studies of three common species as to egg-laying habits. 



"Some Notes on Injurious Leaf Hoppers," by Herbert Osborn, 

 Columbus, Ohio. (10 minutes.) 



A discussion of some of the species destructive to cultivated crops. 



"Notes on the Wheat-Head Army-Worm, Meliana albilinea Hbn., 

 as a Timothy Pest," by R. L. Webster, Ames, Iowa. 



Notes on the life-history, habits, food plants, natural enemies and control of the 

 insect. 



Adjournment. 



