REFERENCES 
59 
REFERENCES 
Crary, Field Zoology, Chapter X. 
Folsom, Entomology with Reference to Its Biological and Economic 
Aspects. 
Hegner, Introduction to Zoology, Chapter XII. 
Hodge, Nature Study and Life, Chapter X. 
Kellogg, Animals and Man, Chapter XV. 
Osborne, Economic Zoology, Chapter XII. 
Root, A. B. C. and X. Y. Z. of Bee Culture. 
Smith, Our Insect Friends and Enemies. 
