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CONTRIBUTIONS 



DEPARTMENT OF 



Zoology and Entomology 



Iowa State College of Agriculture 

 and Mechanic Arts. 



A Study of the Genus Clastoptera. E. D. Ball. 



Observations on the Cicadid^ of Iowa. Herbert Osborn. 



Biologic Notes on Certain Iowa Insects. Herbert Osborn and 

 C. W. Mally. 



Contributions to a Knowledge of the Thripid^ of Iowa. 

 Alice M. Beach. 



Note on a New Species of Phlceothrips, with Description. 

 Herbert Osborn. 



(Reprinted from the Proceedings of the Iowa Academy of Sciences, 1895, Vol. Ill il896).l 



DES MOINES: 



r. R. CONAWAY, STATE PRINTEM. 

 1896. 



