8a P.D. 31. 



No. 25. Inspection of Commercial Fertilizers, by H. D. Haskins, L. S. Walker, 



and S. J. Broderick. 

 No. 26. Inspection of Lime Products Used in Agriculture, by H. D. Haskins, 



L. S. Walker, and S. J. Broderick. 



Meteorological Reports. 



Nos. 409-420 inclusive. 



Scientific Contributions. 



No. 1. Inbreeding the Rhode Island Red Fowl with Special Reference to Winter 

 Egg Production, by F. A. Hays. In American NaturaUst, Vol. LVIII, No. 654, 

 January-February, 1924. 



No. 2. A Study in the Control of Poultry Diseases, by John W. Lentz. In Poultry 

 Science, Vol. II, December- January, 1922-23. 



No. 3. Tests of Low Lift Pumps, by C. I. Gunness. In Agricultural Engineer- 

 ing, Vol. 4, No. 3, March, 1923. 



No. 4. An Improved Formaldehyde Tank for the Onion Drill, by P. J. Ander- 

 son and A. V. Osmun. In Phytopathology, Vol. XIII, No. 4, April, 1923. 



No. 5. Relations between Calcium Carbonate, Certain Fertilizer Chemicals and 

 the Soil Solution, by F. W. Morse. In Soil Science, Vol. XV, No. 2, February, 

 1923. 



No. 6. Control of Lettuce Drop by the Use of Formaldehyde, by Webster S. Krout. 

 In Journal of Agricultural Research, Vol. XXIII, No. 8, February 24, 1923. 



No, 7. The Squash Bug in Massachusetts, by H. N. Worthley. In Journal of 

 Economic Entomology, Vol. 16, No. 1, February, 1923. 



No. 8. Methods of Distribution of Phosphorus Fertihzers, by S. B. Haskell. In 

 Journal of the American Society of Agronomy, Vol. 15, No. 4, April, 1923. 



No. 9. An Experiment in Ringing Apple Trees, by J. K. Shaw. In Proceedings 

 of the American Society of Horticultural Science, 1922. 



No. 10. A Study of Bearing Habit of Apple Varieties, by W. B. Mack. In Proceed- 

 ings of the American Society of Horticultural Science, 1922. 



No. 11. Determination of Fatty Acids in Butter Fat: II, by E. B. Holland et at. 

 In Journal of Agi-icultural Research, Vol. XXIV, No. 5, May 5, 1923. 



No. 12. Influence of the Plane of Nutrition on Susceptibility to Injury from Toxic 

 Concentrations, by F. W. Morse. In Journal of the American Society of 

 Agronomy, Vol. 15, No. 7, July, 1923. 



No. 13. Physiological Study of Azotobacter Chroococcum, Beijerinckii and Vine- 

 landii Types, by Unokichi Yamagata and Arao Itano. In Journal of Bac- 

 teriology, Vol. VIII, No. 6, November, 1923. 



No. 14. Physiological Study of Azotobacter Chroococcum. I. Influence of Vi- 

 tamine B (?) and Nucleic Acid on Azotobacter, by Arao Itano. In Journal 

 of Bacteriology, Vol. VIII, No. 5, September, 1923. 



No. 15. The Relation of Soil Moisture to Formaldehyde Injury of Onion Seedlings, 

 by P. J. Anderson. In Phytopathology, Vol. XIII, No. 9, September, 1923. 



No. 16. Determination of Sulphur Compounds in Dry Lime-Sulphur, by Carle- 

 ton Parker Jones. In Journal of Agricultural Research, Vol. XXV, No. 7, 

 August 18, 1923. 



No. 17. Comparative Effects of Muriate and Sulfate of Potash on the Soil in a 

 Long Continued Fertihzer Experiment, by F. W. Morse. In Soil Science, 

 Vol. XVI, No. 2, August, 1923. 



No. 18. Farm Ownership in Massachusetts, by Lorian P. Jefferson. In Journal 

 of Farm Economics, Vol. V, No. 4, October, 1923. 



No. 20. Agricultural Research in its Service to American Industry, by Sidney 

 B. Haskell. In Journal of the American Society of Agronomy, Vol. 15, No. 12, 

 December, 1923. 



No. 21. Notes on the Cape Cod JBrood of Periodical Cicada During 1923, by 

 D. S. Lacroix. In Psyche, Vol. XXX, No. 6, December, 1923. 



