30 The University of New Hampshire [Bulletin 338 



6. Kennard, D. C, and Chamberlain, V. D. Winter Housing for Layers. Ohio 



7. Lee, C. E., Hamilton, S. W., Henry, C. L., and Callahan, M. E. The Effect 



Bimonthly Bui. 20:177 1935. 



of Supplementary Heat on Egg Production, Feed Consumption, Amount 

 of Litter Required and Net Flock Income. Part I, Poul. Sci. 16:4 1937, 

 and Part 2, Poul. Sci. 18:5 1939. 



8. Miller, M. W., Bearse, G. E., and Cushing, Glen. Factors Affecting Wet 



Litter. Poul. Sci. 12:3 1933 



9. Aliller, M. W., Smith, F. F., and Svinth, C. A. Underfloor Heat for Poul- 



try Houses. Wash. State College Poultry Pointers No. 13 (revised), 

 Oct. 1935. 



10. Mitchell, H. H., and Kelley, M. A. R. Estimated Data on the Energy. 



Gaseous and Water Metabolism of Poultry for Use in Planning the 

 Ventilation of Poultry Houses. Jour. Agr. Res. 47:10 1933. 



11. Smith. C. W. The Relation of Environmental Conditions in Poultry 



Houses to Winter Egg Production. Nebr. Agr. E.xp. Sta. Bui. 247 1930. 



