182 INSECTS, AND THEIR RELATION TO MAN 



" So work the honeybees : 

 Creatures, that by a rule in nature, teach 

 The act of order to a peopled kingdom." 



Special Reports 



1. The utility of color to animals. 



2. How insects shift for a living. 



3. Ant communities. 



4. Some parasitic insects and their hosts. 



5. Division of labor among insects. 



6. Adaptations among insects. 



References 



Hunter, Essentials of Biology. Chap. XX. 

 Elements of Biology . Chap. XIX. 



Jordan and Kellogg, Animal Life. Chaps. X and XII. 



Thayer, A. H., Concealing Coloration in the Animal Kingdom. 



" An Arraignment of the Theory of Mimicry and Warning Colors/' 

 Popular Science Monthly, December, 1909. 



Kellogg, V. L., Insect Stories. 



Marks and Moody, Little Busybodies. 



Miller, M. R., "Insect Life of Brooks." Cornell Nature Study Quar- 

 terly, No. 5, June, 1900. 



Collins, P., "Protective Resemblance of Insects." Scientific American, 

 Supplement, June 4, 1904. 



Fulda, G., "Mimicry among Insects." Scientific American, Sep- 

 tember 24, 1904. 



PROBLEM XXXII 



Some relations of insects to man. 



a. With Reference to Disease 

 1. THE TYPHOID FLY 



Note. House flies are charged with carrying germs of 

 typhoid fever, dysentery, tuberculosis, and diarrhea. 



Observations. 1. The female of the common house fly lays 

 her eggs in manure or any dooryard filth. They hatch in 

 about one day and the larvae appear like small worms. These 



