BIOLOGICAL AND EMBRYOLOGICAL STUDIES 

 ON FORMICIDAE 



BY 



MAURICE COLE TANQUARY 



A.B., University of Illinois, 1907 

 A.M., University oi Illinois, 1908 



THESIS 



Submitted in Partial Fulfilment of tte Requirements for tlie 



Decree of 



DOCTOR OF PHILOSOPHY 

 IN ENTOMOLOGY 



IN 



THE GRADUATE SCHOOL 



OF THE 



UNIVERSITY OF ILLINOIS 

 19 12 



