December, '11] SANDERSON: ENTOMOLOGICAL INVESTIGATIONS 543 



104. (S) Shade and forest tree insect investigations; with special attention to the 

 elm leaf-beetle. 



E. P. Felt, State Entomologist, Albany, N. Y. 



105. (S) Park and truck garden insect investigations, 



D. K. McMillan, Field laboratory of 111. State Entomologist, Chicago, 111. 



106. (S) Insect Pests of alfalfa. Data is being gathereil for a monographic treat- 

 ment of this subject, wliich includes general collecting and life hi.story studies. 



L. Bruner, M. H. Swenk and assistants, Lincoln, Nebr. 



Incidental to Insect Control 



107. (A) The use of carbon disulphide and hydrocyanic acid gases as insecticide 

 fumigants. 



W. E. Hinds and assistants, Ala. Agr. Exp. Sta., Auburn, Ala. 



108. (A) Control of root maggots. An investigation of the means of control of 

 soil-inhabiting insects, including rate and extent of diffusion of gases and liquid 

 insecticides in various tj^pes of soils, and their effect on animal and plant life. 



W. C. O'Kane, N. H. Agr. Exp. Sta., Durham, N. H. 



109. (A) A study of the physiological effect of lead arsenate on weevals of the order 

 Rhyncophora. 



Wilmon Newell, Harper Dean, and F. B. Paddock, Tex. Agr. Exp. Sta., College 

 Station, Tex. 



110. (S) Effect of dipping nursery stock in various insecticides to determine the 

 influence on the trees and on the insects. 



T. B. Symons and E. N. Corey, Md. State Hort. Dept., College Park, Md. 



111. (S) Spraying apples to determine exact limitations of different insecticides in 

 practical use on some 200 acres of orchards in various parts of Ohio ; largely demon- 

 strational. (In cooperation with horticultrual and botanical departments.) 



H. A. Gossard and assistants, Ohio Agr. Exp. Sta., Wooster, Oliio. 



112. (S) Spraying peaches, plums and cherries on 50 acres of orchards in various 

 parts of Ohio to determine methods of control of insects and diseases in practical 

 orchard operations; largely demonstrational. (In cooperation with horticultural and 

 botanical departments.) 



H. A. Gossard, and assistants, Ohio Agr. Exp. Sta., Wooster, Ohio. 



113. Experiments to detennine the effect of some commonly used sprays on the 

 apple. 



S. J. Hunter, A. T. Walker, and A. J. Spangler, University of Kansas, Lawrence, 

 Kas. 



114. (S) Lime-sulphur and other preparations with lead arsenate compared with 

 Bordeaux mi.xture. (In cooperation with Botanical department.) 



W. E. Britton, Conn. Agr. Exp. Sta., New Haven, Conn. 



115. Effect of arsenical sprays on stock. 



C. S. Spooner, Minn. Agr. Exp. Sta., St. Anthony Park, Minn. 



116. (S) Study of sprajing machinery. 



Assistants of H. A. Gossard, Ohio Agr. Exp. Sta., Wooster, Ohio. 



117. (S) Experiments in comparative efficiency of treatment of mills and granaries 

 by heat and hydrocyanic acid gas, with life history studies of granary pests. 



Assistants of H. A. Gossard, Ohio Agr. Exp. Sta., Wooster, Ohio. 



118. (A) Stored grain and mill insect investigations, to discover practical methods 

 of control, with life hi.story studies. 



Geo. A. Dean and student assistants, Kas. Agr. Esp. Sta., Manhattan, Kas. 



