6 



"The Transmission of Infantile Paralj^sis by Stomoxys calcitrans, 

 a resume of Observations by Brues & Sheppard and Experimental 

 Work by Rosenau & Brues and Anderson & Frost," by C. T. 

 Brues, Forest Hills, Mass. (20 minutes.) 



"The Stable Fly, Stomoxys calcitrans L., its Bionomics and Life his- 

 tory," by C. Gordon Hewitt, Ottawa, Can. (20 minutes.) 



"The Stable Fly, Stomoxys calcitrans L., an important Livestock pest," 

 by F. C. Bishopp, Dallas, Texas. (15 minutes.) 



The severe outbreak of this pest in Texas during 1912 is discussed. The importance 

 of the species in other parts of the United States is considered and notes on the Ufe 

 history, habits, natural enemies and methods of control are included. 



"Notes on comparative tests with Zinc Arsenite and Arsenate of 



Lead," by W. J. Schoene, Geneva, N. Y. (5 minutes.) 

 Includes feeding tests with Insects and effect on foliage. 



"Results of the Arsenical Poisoning Investigation," by E. D. Ball, 

 E. G. Titus, and J, E. Greaves, Logan, Utah. (10 minutes.) 



Summary of results, effect of arsenicals and alkalies on leaves, on bark, and study 

 of affected regions with suggestions as to real cause of trouble ascribed to above. 



"Arsenical Residues on Fruit," bj'- W. C. O'Kane, Durham, N. H. 

 (12 minutes.) 



Determinations of the amount of poisons adhering to ripe fruit after spraying; sum- 

 mary of analyses. 



"How Contact Insecticides Kill," by G. D. Shafer, East Lansing, 

 Mich. (8 minutes.) 



On the influence of Carbon Disulphide and Gasoline vapors upon the activity of 

 Oxidase Extract of Insects. 



"Injuries following the application of Petroleum and Petroleum 

 products to Dormant Trees," by E. P. Felt, Albany, N. Y. (15 

 minutes.) 



"The Success of a Two-spray Calendar in a Kansas Orchard," by H. B. 

 Hungerford, Lawrence, Kans. (10 minutes.) 



Adjournment. 



Program 



Friday, January 3, 10 a. m. 



Reading of Papers 

 "The Codling Moth and One spraying in the Hudson Valley," by E. P. 

 Felt, Albany, N. Y. (10 minutes.) 



