December, '12] HEADLEE: ENTOMOLOGICAL INVESTIGATIONS 481 



131. Bees (Apoidea) of the world. 



Substantial progress — a large part already published. 

 Iowa, Ames, — R. L. Webster. 



132. Two species of strawberry slugs, Empria maculata and Empria sp. 

 Maryland, College Park, — -A. B. Gahan. 



133. Classification and host relations of the Braconidoe, sub-family Opiince. 

 Classification of described North American species of the group fairly well in 



hand and some progress made in other lines. 

 New York, Geneva, — P. J. Parrott, B. B. Fulton. 



134. Life history, habits and methods of controlUng the cherry saw fly leaf 

 miner, Profenusa collaris MacG. 



135. Distribution, Ufa history and methods of controUing Polydrosus impressifrons. 

 W. J. Schoene in immediate charge. 



New York, Cornell University, Ithaca, — C. R. Crosby. 



136. Isosomas. 



Utah, Logan, — E. G. Titus. 



137. The life history of the wheat straw worm. 



Investigations dealing with groups of insects or with insecticides or with both 



Alabama, Auburn, — ^W. E. Hinds. 



138. Carbon bisulphide and hydrocyanic acid gas as insecticides. 

 Substantial progress. 



California, Stanford University, — V. L. Kellogg. 



139. Certain prolonged experimental studies of inheritance in insects and the 

 consideration of certain other bionomic factors in insect evolution. 



Results of seven or eight years study of inheritance in silk worms akeady pub- 

 lished. 

 Canada, Ottawa, — C. Gordon Hewitt. 



140. Life histories of miscellaneous insects. 

 Colorado, Fort CoUins,— C P. Gillette. 



141. Insect control through treatment of their eggs. 

 Much data collected and some of it published . . 

 Colorada, University of, Boulder, — Theo. D. A. Cockerell. 



142. Insect fauna of Colorado. 

 Substantial progress. 



143. Fossil insects. 

 Data accumulating. 



Connecticut, New Haven, — W. E. Britton. 



144. Insects attacking the white pine in Connecticut. 

 A beginning made. 



Connecticut, Storrs, — G. H. Lamson. 



145. Insects that attack cucurbits. 



146. Insects that attack peach. 

 Iowa, Ames, — ^R. L. Webster. 



147. Potato insects. 



Kansas, Manhattan, — T. J. Headlee. 



148. The relation of climate to injurious insects. 



Some progress, one paper published and further data accumulated. 



149. The local life economy of the codling moth and curcuUo, Conotrachelus nenu- 

 phar Hbst, and spraying for their control. 



