12a P. D. 31 



PUBLICATIONS OF THE YEAR. 



Annual Report. 



Thirty-sixth annual report with index. 



Bulletins. 



No. 219. Combating Apple Scab, by William L. Doran and A. Vincent Osmun, 

 No. 220. Correlation Studies on Winter Fecundity, by F. A. Hays, Ruby San- 

 born and L. L. James. 



Bulletins, Technical Series. 



No. a. The Inheritance of Fertihty and Hatchability in Poultry, by F. A. Hays 

 and Ruby Sanborn. 



Bulletins, Popular Edison. 



No. b. The Inheritance of Fertility and Hatchability in Poultry, by F. A. Hays 

 and Ruby Sanborn. 



Bulletins, Control Series. 



No. 27. Control of Bacillai-y White Diarrhoea, 1923-24, by G. E. Gage and 



0. S. Flint. 

 No. 28. Inspection of Commercial Feedstuli's, by Philip H. Smith and Frank J. 



Kokoski. 

 No. 29. Inspection of Commercial Fertilizers, by H. D. Haskins, L. S. Walker 



and G. B. Dalrymple. 

 No. 30. Inspection of Lime Products used in Agriculture, by H. D. Haskins, 



L. S. Walker and G. B. Dalrymple. 



Meteorological Reports. 



Nos. 421-432, inclusive. 



Scientific Contributions. 



No. 19. The Biology of Trichopoda Pennipes Fab., a Parasite of the Common 

 Squash Bug, by Harlan N. Woithley. In Psyche, Vol. 31, Nos. 1 and 2, 

 February and April, 1924. 



No. 22. Oxidase Activity in Varieties of Apples, by Brooks D. Drain. In Pro- 

 ceedings of the American Society for Horticultural Science, 1923. 



Mo. 23. The Etieet of Sodium Hydroxide on the Composition, Digestibility and 

 Feeding Value of Grain Hulls and Other Fibrous Material, by J. G. 

 Archibald. In Jour. Agi-. Research, Vol. XXVII, No. 5, February 2, 

 1924. 



No. 25. The Loss of Calcium Carbonate in Drainage Waters as Affected by 

 Different Chemical Fertilizers, bv F. W. Morse. In Soil Science, Vol. 

 XVII, No. 3, March, 1924. 



No. 26. The Problem of Pastures in Semi-Waste Lands of New England, by 

 S. B. Haskell. In Jour. Amer. Soc. Agron., Vol. 16, No. 3, March, 1924. 



No. 27. Overwintering of Tobacco Wildfire in New England, by P. J. Ander- 

 son. In Phytopathology, Vol. XI V^, No. 3, March, 1924. 



No. 28. Adsorption and Absorption of Bases by Soils, by C. P. Jones. In Soil 

 Science, Vol. XVII, No. 3, March, 1924. 



No. 29. The Higher Cost of Food in Massachusetts, by R. J. McFall. In Quar- 

 terly Publication, American Statistical Association, Sept., 1924. 



No. 31. Stimulation of Plant Growth by Means of Electric Lighting, by Victor 

 A. Tiedjens. A paper presented before the Eighteenth Annual Conven- 

 tion of the Illuminating Engineering Society, October, 1924. 



