PRICE — THIRTY- FIVE CENTS. 



Vol. IL No. 3. 



BULLETIN 



FROM THE 



LABORATORIES OF NATURAL HISTORY 



OF THE 



State University of Iowa. 



7. ON THE EARLY STAGES OF THREE NORTH AMERI- 

 CAN COLEOPTERA, By H. F. Wickham. 



II. REPORT ON AN ENTOMOLOGICAL RECONNOIS- 

 SANCE OP SOUTHERN ALASKA, 



By H. F. Wickham. 



///. ON TWO SPECIES OF COLEOPTERA INTRODUCED 

 FROM EUROPE, By H. F. Wickham. 



IV. REPORT ON ZOOLOGICAL EXPLORATIONS ON THE 

 LOWER SASKATCHEWAN RIVER, 



By C. C. Nutting. 



PUBLISHED 



BY AUTHORITY OF THE REGENTS. 



IOWA CITY, IOWA: 

 January, 1893. 



