8 



"The Possibility of Transmitting a Weevil {Sitophilus) infestation from 

 wheat to macaroni through the process of milling and mantifacturing," 

 by Royal N. Chapman, St. Paul, Minn. (10 minutes). Lantern. 



Experimental evidence to show that no stages of the granary • weevil survive the 

 process of milUng wheat, or mixing and pressing macaroni. 



"Feeding Cows Insect-infested Cocoanut meal," by R. W. Doane, 



Stanford University, Calif. (10 minutes). 

 Records insects found in copra cakes and gives results of feeding experiments in 



which cocoanut meal made from badly infested copra cakes were fed to dairy 



cattle. 



"Vacuum Fumigation Experiments Using European Com Borer & 

 Brown-tail ]\loth Larvae Under Winter Conditions," by R. I. Smith, 

 Boston, Mass. (10 minutes). 



Two year's experiments to prove that these insects are not killed by cyanide fumiga- 

 tion at low temperatures. 



"Further Data on Fumigation with Hydrocyanic-acid Gas in Green- 

 houses on a Commercial Basis," by E. R. Sasscer and C. A. Weigel, 

 Washington, D. C. (10 minutes). 



Additional data on the practicability of frequent fumigations with Hydrocyanic- 

 Acid Gas, using a low concentration of gas. 



"Dusting Tall Trees by Airplane for Leaf-eating Insects," by J. S. 

 Houser, Wooster, Ohio. (15 minutes). Lantern. Moving pictures. 



"Experiments in dusting Forest Areas with an Airplane," by A. F. 

 Burgess, Melrose Highlands, Mass. .(15 minutes). Lantern. 



"Results of Spraying and Dusting for the Control of the red spider 

 (Paratetranychus pilosus Can. & Fran.)," by D. M. DeLong, Colum- 

 bus, Ohio. (7 minutes). 



"The Insecticidal Properties of Tobacco Dust," by P. J. Parrott & 



Hugh Glasgow, Geneva, N. Y. (10 minutes). 

 Summarizes the principal results of experiments with tobacco dusts, incorporated in 



dusting and spraying mixtures, in controUing the apple red bug, the rosy aphis 



and other aphids. 

 "Some Further Experience with Nicotine Dusts," by. T. J. Headlee, 



New Brunswick, N. J. (15 minutes). 

 Deals primarily with the use of the dolomite nicotine dust in the field. 



"Spreader Tests on Apples and Peaches," by L. A. Steams, Leesburg, 



Va., and W. S. Hough, Blacksburg, Va. (10 minutes). 

 Paper concerns Casein and Flour-Paste Spreader tests on fruits mentioned. 



