XIV MAINE AGRICULTURAL EXPERIMENT STATION. 



89. The Measurement of the Winter Cycle in the Egg Production of 



the Domestic Fowl. By Raymond Pearl. Journal of Agricul- 

 tural Research, Vol. V., pp. 429-437. 



90. On the Degree of Exactness of the Gamma Function Necessary in 



Curve Fitting. Bj- Raymond Pearl. Science, N. S., Vol. XLII, 



PP- 833-834- 



91. Studies on the Physiology of Reproduction in the Domestic Fowl. 



XIV. The Efifect of Feeding Pituitary Substance and Corpus 

 Luteum Substance on Egg Production and Growth. By Ray- 

 mond Pearl. Journal Biol. Chemistry. In press. 



92. Report of Progress on Animal Husbandry Investigations in 1915. 



B}' Raymond Pearl. Maine Agricultural Experiment Station 

 Circular No. 519. 



Papers published but not in the numbered series : 



a. Brief Report of Progress on Animal Husbandry Investigations in 



1914. By Raymond Pearl. Maine Agricultural Experiment 

 Station Circular 503, pp. i-ii. 



b. A Case of Assumption of Male Secondary Sex Characters by a 



Cow. By Raymond Pearl and Frank M. Surface. Science, 

 N. S., Vol. XLL, pp. 615-616. 



c. Growth and Variation in Maine. By Raymond Pearl and Frank 



M. Surface. Proc. Nat. Acad. Sci., Vol. I, pp. 222-226. 



d. Dynamic Evolution. By Raymond Pearl. Journal of Heredity, 



Vol. VI, pp. 254-256. 



e. Breeding for Sex. By Raymond Pearl. Hoard's Dairyman, Vol. 



L., p. 71. 



f. The Publication of the Results of Investigations made in Experi- 



ment Stations in Technical Scientfic Journals. By Raymond 

 Pearl. Science, N. S., Vol. XLII, pp. 518-522. 



g. Further Data on the Measurement of Inbreeding. By Raymond. 



Pearl. Maine Agricultural Experiment Station Bulletin 243, 

 pp. 225-248. 



ENTOMOLOGICAL PAPERS FROM THE MAINE AGRICUL- 

 TURAL EXPERIMENT STATION, 1915- 



Ent. 75. Pond-Lily Aphid as a Plum Pest. By Edith M. Patch. Sci- 

 ence, Vol. XLII, No. 1074, p. 164, July 30, I9i5- 



Ent. -j^i. Two Clover Aphids. By Edith M. Patdh. Journal of Agri- 

 cultural Research, Vol. Ill, No. 5. 



Ent. 78. Leafhoppers of Maine. By Herbert Osborn. Bui. 238. Me. 

 Agr. Exp. Station. 



Ent. 79. Woolly Aphid of Elm and Juneberry. By Edith M. Patch. 

 Bui. 241. Me. Agr. Exp. Station. 



Ent. 80. Boisteres rhagoletis Richmond, sp. n., a parasite of Rhago- 

 letis pomonella, Walsh. By William C. Woods. Canadian 

 Entomologist, Vol. XLVII, pp. 293-295. 



