8 



A Progress Report on White Grub Investigations, " by John J. DaviS; 

 West Lafayette, Ind. (10 minutes.) 

 Summary of Lachnosterna investigations to date. ' 



Notes on Pegomyia hyoscyami Panz./' by E. N. Cory, College Park, 

 Md. (10 minutes.) 

 Life and seasonal history. 



''Notes on the Biology of Pegomyia hrassicce Bouche, by W. J. 

 Schoene, Blacksburg, Va. (10 minutes.) 



A presentation of the more important observations on the life history of the 

 species. 



''An Investigation of the Supposed Immunity of Some Varieties of 

 Wheat to the Attack of Hessian Fly, by L. Haseman, Colum- 

 bia, Mo. (15 minutes.) 

 A brief summary of the first year's work, including data collected from plots of 

 different varieties of wheat grown side by side, together with notes on some 

 chemical and physiological variations in the different varieties. 



"The Hessian Fly Train,'' by George A. Dean, Manhattan, Kans. 

 (12 minutes.) Lantern. 



A brief account of the Hessian fly infestation in the state; the organization of the 

 special train; how the train was conducted and the results accomplished, 



"County Cooperation to Prevent Hessian Fly Damage,'' by H. A. 

 Gossard, Wooster, Ohio. (5 minutes.) 

 This paper describes a method by which an entire county was kept solidly in 

 line, almost no one sowing until advised by the county agent and Station 

 Entomologist to do so. 



Adjournment. 



Program 



Thursday, December 30, 10.00 a. m. 



Reading of Papers 



"Dispersion of Musca domestica Linnaeus under City Conditions,^' by 

 Ralph R. Parker, Bozeman, Mont. (15 minutes.) Lantern. 

 An account of dispersion experiments conducted on a large scale. 



"An Appreciation of the Hawaiian Parasite Introduction Work," by 

 L. 0. Howard, Washington, D. C. (15 minutes.) Lantern. 



A brief account of observations made and facts learned on a visit to Oahu in 

 August, 1915 — an effort to show more emphatically than has hitherto been 

 done, the importance of the results accomplished. 



