COLLATERAL READING 5 



There are many more important laboratory operations of a 

 scientific nature. 



Collateral Reading. All lectures and discussions should be 

 accompanied by a required amount of outside reading. Only 

 standard books and periodicals should be recommended, and from 

 the results of such reading written or oral reviews should be given. 

 Poultry literature from the Department of Agriculture and the 



FIG. 4. Students killing and picking poultry (Cornell). 



various experiment stations should be freely used in reference 

 work. Any one may obtain poultry publications from the experi- 

 ment station of his own State by having his name placed upon the 

 mailing list. 



In an exhaustive study of various poultry text-books there will 

 appear an apparent lack of unity on many important points. 

 This in some cases is due to the fact that the present knowledge 

 does not allow complete and positive decision on some points; in 

 other cases the difference is not real, but incomplete statements 

 lead to misunderstanding. A careful analysis, however, will show 



