xii Ma ne Agricultural Experiment Station. 



106. A Note on the Fitting Parabolas. By John Rice Miner. Proceedings 



of the National Academj^ of Sciences, Vol. 3, pp. 91-95. 



107. Some Commonl}^ Neglected Factors Underlying the Stock Breeding 



Industry. By Raymond Pearl. Anniial Report of the Maine 

 Agricultural Experiment. Station for 1917. Bulletin 258, pp. 1-28. 



108. The Probable Error of Mendelian Class Frequency. By Dr. Ray- 



mond Pearl. American Naturalist, No. 603, pp. 144-156. 



109. The Selection Problem. By Raymond Pearl. American Naturalist, 



No. 602. pp. 65-91. 



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



XVII. The Influence of Age upon Reproductive Ability, with 

 a description of a New Reproductive Index. By Raymond Pearl, 

 Genetics. Vol. 2: 417-432. 



111. Report of Progress on Animal Husbandry Investigations in 1916. 



By Raymond Pearl. Annual Report of the Maine Agricultural 

 Experiment Station for 1917. Bulletin 261, pp. 121-144. 



112. Studies on Oat Breeding-V : The F^ and Fj Generations of a Cross 



between a Naked and Hulled Oat. By Jacob Zinn and Frank 

 M. Surface. Journal of Agricultural Research Vol. X, No. 6. 

 Washington, D. C, pp. 293-312. 



113. Studies on Imbreeding VII. — Some Further Considerations Regard- 



ing the Measurement and Numerical Expression of Degrees on 

 Kinship. By Dr. Raymond Pearl. American Naturalist, Vol. 

 LI, No. 609, pp. 545-549. 



114. Sex Studies. By Alice M. Boring and Raymond Pearl. Anatomical 



Record, Vol. 13, No. 5, pp. 253-268. 



117. The Change of Milk Flow with Age, as Determined from the Seven 



Day Records of Jersey Cattle. By Raymond Pearl and S. W. 

 Patterson. Annual Report of the Maine Agricultural Experi- 

 ment Station for 1917. pp. 145-152. Bulletin 262. 



118. Studies of Imbreeding. VIII. A single Numerical Measure of the 



Total Amount of Imbreeding. American Naturalist, Vol. LI, 

 No. 610, pp. 636-639. 



119. The Sex Ratio in the Domestic Fowl. By Raymond Pearl. Pro- 



ceedings of the American Philosophical Society, Vol. LVI, No. 

 5, pp. 416-436. 



Entomological Papers from the Maine Agricultural 

 Experiment Station, 191 7. 



Ent. 88. Eastern Aphids, New or Little Known Part 1. By Edith M. 



Patch. Journal of Economic Entomology, Vol. 10, No. 4. 

 Ent. 90. Pupae of some Maine Species of Notodontoidea. Bj' Edna 



Mosher. Bui. 259, Me. Agr. Exp. Station. 

 Ent. 92. An Infestation of Potatoes by a Midge. By Edith M. Patch. 



Journal of Economic Entomology, Vol. 10, No. 5. 

 Ent. 93. The Biology of the Alder Flea Beetle. By William C. Woods. 



Bui. 265, Me. Agr. Exp. Station. 



