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TABLE OF CONTENTS 

 ' VOLUME VII 



NUMBERS PAGES 



1. Studies on Gregarines, II. By Minnie Watson Kamm. With 4 plates 1-104 



2. The Molluscan Fauna of the Big VermiHon River, IlUnois. By F. C. Baker. 



With 15 plates lOS-224 



3. North American Monostomes. By E. C. Harrah. With 9 plates 225-324 



4. A Classification of the Larvae of the Tenthredinoidea. By H. Yuasa. 



With 14 plates 325-490 



73^175 



Katural Eistory Survey 

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