CONTRIBUTIONS 



NATURAL HISTORY 



OF THE 



LEPIDOPTERA 



NORTH AMERICA 



VOL. IV 

 No. 4 



THE PTEROPHORID^ OF AMERICA, 

 NORTH OF MEXICO 



BY 



WILLIAM BARNES, S. B., M. D. 



AND 



A. W. LINDSEY, M. S., Ph. D. 



DECATUR, ILL. 



THE REVIEW PRESS 



AUGUST 31, 1931 



