Xll MAINE AGRICUIvTURAI, £;XPi;RIMENT STATION. 



No. 52. The Fungus Gnats of North America. Part IV. (Conclu- 

 sion). By O. A. Johannsen. Bulletin No. 200. Me. 



Agr. Exp. St. 

 No. S3. Aphid Pests of Maine Part I. By Edith M. Patch. Bulletin 



No. 202. Me. Agr. Exp. Sta. pp. 159-178. 

 No. 54. Food Plant Catalogue of the Aphidae of the World. Part I. 



By Edith M. Patch. Bulletin No. 202. Me. Agr. Exp. 



Sta. pp. 179-214. 

 No. 55. Notes on Psyllidae. By Edith M. Patch. Bulletin No. 202. 



Me. Agr. Exp. Sta. pp. 215-234. 

 No. 56. Elm Leaf Curl and Woolly Aphid of the Apple. By Edith M. 



Patch. Science Vol. 36, pp. 30-31. 

 No. 57. A Tertiary Fungus Gnat. By O. A. Johannsen. The American 



Journal of Science. Vol. 34. p. 140. 

 No. 58. Elm Leaf Curl and Woolly Apple Aphid. By Edith M. Patch. 



Bulletin 203. Me. Agr. Exp. Sta. 

 No. 59. Woolly Aphid Migration from Elm to Mountain Ash. ■ By 



Edith M. Patch. Journal Economic Ent., Vol. 5, p. 395. 



Changes in Station Staff in 1912. 



April I, Mr. Walter W. Bonns, horticulturist to the Station, 

 resigned to accept a position with the California Experiment 

 Station. 



April I, Alfred K. Bur'ke, assistant chemist, resigned to 

 accept a posifcion in commercial work. 



July I, Albert G. Durgin, assistant chemist to the Station, 

 resigned to accept a position on the instruction force of the 

 chemical department of the University of Maine. 



September i, Dr. O. A. Johannsen, entomologist to the Sta- 

 tion, resigned to accept a professorship at Cornell University. 



December i, Mr. Albert Verrill, assistant chemist, resigned 

 to accept a position in commercial work. 



January i. Miss Sybil Russell was appointed as computer in 

 the biological department for the first half of the year. July i, 

 Miss Estella Morrison was appointed computer in her place. 



April I, Mr. George A. Yeaton was appointed orchardist. 

 He served in that capacity until Novemiber 15, 1912. 



June I, Mr. Clarence W. Barber was appointed as assistant 

 biologist. 



July I, Mr. Edward E. Sawyer and Miss Helen W. Averill 

 were appointed as assistant chemists. 



December i, Mr. Elmer R. Tobey was transferred from the 

 position of inspector to assistant chemist. 



