482 JOURNAL OF ECONOMIC ENTOMOLOGY ' [Vol. 5- 



Substantial progress. One general bulletin including some data published, 

 much data accumulated and a paper on brood study of the former ready for- 

 publication. 



150. The life economy and measures of controlling mill and stored grain insects^ 

 George A. Dean in immediate charge. 



Substantial. A paper on high temperature as a means of controlling mill insects- 



already published and a bulletin ready for the press. 

 Louisiana, Baton Rouge, — E. S. Tucker. 



151. Insects affecting stored rice. 



Progress has been made in determining the life history of the principal species- 



and their resistance to fumigating agents under warehouse conditions. 

 Massachusetts, Amherst, — H. T. Fernald. 



152. A study of the causes producing the burning of foliage by insecticides. 

 Progress satisfactory. 



153. Investigations of the real amount of benefit obtained by the work of the dif- 

 ferent groups of parasites. 



Progress satisfactory. 



154. Distribution limits of pests in Massachusetts. 

 Progress satisfactory. 



155. Strength of fumigation safe on different greenhouse crops as compared witb 

 strength necessary for destruction of the pests. 



Progress satisfactory. 



Michigan, East Lansing, — R. H. Pettit. 



156. How contact insecticides kill. E. G. Shafer in immediate charge. 

 Substantial progress. One bulletin published and another ready. 



157. The life histories and control of various fruit and field crop insects. 

 Much data accumulated. 



158. The life histories and control of insects injurious to Michigan forests. 

 • Much data accumulated. 



Mississippi, Agricultural College, — R. W. Hamed. 



159. Insects affecting pecans (mainly life history studies). 

 Michigan, Detroit, — Parke, Davis & Co. 



160. Testing penetrating power of carbon disulphide and other gases in connection 

 with killing shade tree borers. 



161. The feasibility of exterminating insects by inoculating the plant. 

 Nebraska, Lincoln, — Mryon H. Swenk. 



162. The prairie dog. 



163. The role of insects in tripping alfalfa blossoms and the subsequent effect of 

 such tripping on the size of the seed crop. 



Progress satisfactory. 



164. A monographic account of the insect enemies of alfalfa. 

 Progress satisfactory. 



Neiv Hampsldre, Durham, — W. C. O'Kane. 



165. Insect outbreaks (a provision to take advantage of the unusual oppor- 

 tunities for study offered by these outbreaks). 



166. A determination of the amount of arsenic left on fruit, foliage and grass 

 following applications of sprays. 



Substantial progress. 



167. Museum work (a provision for increase and care of insect collections). 

 New York, Albany,— E. P. Felt. 





