P.D. 31 11a 



search Professor F. A. Hays. Technical Bulletins 8, "Winter Cycle and Winter 

 Pause in Relation to Winter and Annual Egg Production" and 9, "Annual Per- 

 sistency in Relation to Winter and Annual Egg Production; also Bulletin 220 

 pubUshed several years ago. 



3. A genetic study of Rhode Island Red color. Research Professor F. A. Hays. 

 Scientific Contribution 43, "Inheritance of Plumage Color in the Rhode Island 

 Red Breed of Domestic Fowl." 



4. Determination of genetic laws governing results in inbreeding of poultry. 

 Research Professor F. A. Hays. 



5. The hatchability of eggs. Research Professor F. A. Hays. Manuscript 

 now in press; also Technical Bulletin 6, published several years ago. 

 Veterinary Science. 



7. The standardization of avian diphtheria, roup, or bird pox virus and vaccines 

 with special reference to improving the treatment of the disease. Assistant 

 Research Professor N. J. Pyle. 



8. Ascertaining what percentage of pullets in a breeding flock should be lajang 

 before blood should be tested for indications of bacOlary white diarrhoea infection. 

 Professor G. E. Gage and H. Van Roekel. Project carried on by the Poultry 

 Disease Control Service, in response to evidence from the field indicating decreased 

 effectiveness of the test when applied too early in the life of the puUet flock. 



Projects Completed or Discontinued. 

 Agricultural Economics. 



7. Boston food supply study. Research Professor R. J. McFall. Completed, 

 not yet published. 



7a. The determination of amount of food products received in the New England 

 consuming area. Research Professor R. J. McFall. Completed, manuscript 

 submitted. 



8. Study of the costs of marketing apples. Assistant Research Professor L. P. 

 Jefferson. Completed, results published in Bulletin 224, "The Cost of Marketing 

 the Apple Crop of 1923." 



10. Economic factors underlying the supply and market distribution of New 

 England apples. Assistant Research Professor L. P. Jefferson, Completed, 

 results published in Bulletin 226, article entitled "The Apple Situation"; and 

 Bulletin 228, "An Economic Study of the Massachusetts Apple Industry." 



10a. Study of the market outlets for Massachusetts (and New England) apples. 

 Assistant Research Professor L. P. Jefferson. Completed, manuscript nearly 

 ready for publication. 



13. Study of the competitive factors influencing the supply of market milk and 

 cream in Massachusetts. Research Professor R. J. McFall. Discontinued, 

 manuscript being prepared for pubUcation as a bulletin. 

 Agro7iomy. 



1. Investigation of the value of Hubam or annual sweet clover as compared to 

 the biennial clovers. Assistant Professor C. A. Michels. Discontinued as a 

 Station project. 



3. Soil fertility studies on the South Soil Test. Research Professor J. P. Jones. 

 Discontinued on account of unavoidable disturbance from surrounding buildings. 



6. Test of meadow fescue versus timothy under varying drainage conditions. 

 Professor A. B. Beaumont. Discontinued on account of soil variation being 

 discovered. 



7a. Investigation of the role of organic matter in the production of onions. 

 Part I. Pot work with soils deficient in organic matter. 0. E. Street. Dis- 

 continued as methods were found unsatisfactory. 



10. Effect of fractional application of fertilizer materials on growth, maturity 

 and quality of onions. Research Professor J. P. Jones. Combined with Project 9. 



12. Study of relationship of soil moisture content to yield and quality of tobacco. 

 Research Professor J. P. Jones. Discontinued, methods unsatisfactorJ^ 



13. Examination of the influence of source of seed in onion production. 0. E. 

 Street. Combined with Project 18. 



14. The determination of the influence of certain nitrogenous fertilizer materials 

 on the yield and quality of Havana tobacco. Research Professor J. P. Jones. 

 Replaced by Project 19. 



