L^L. 



A CONTRIBUTION 



Insect Embryology, 



AN INAUGURAL DISSERTATION 



FOR THE 



DEGREE OE DOCTOR OE PHILOSOPHY, 



i'KESENTED TO THE 



FACULTY OF CLARK UN I V^ERSITY. 

 J/(?j/ /o, i8g2. 



WILLIAM MORTON WHEELER. 



Reprinted from Journal of Morphology, V..1. VIII., 



Nn. I. 



BOSTON : 



OINN & COrvIPANY. 



1893. 





