pis.'' 



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CONTRIBUTIONS 



Bacteriology of the Oyster 



THE RESULTS OF EXPERIMENTS AND OBSER- 

 VATIONS MADE WHILE CONDUCTING 

 AN INVESTIGATION DIRECTED 

 AND AUTHORIZED BY THE 

 COMMISSIONERS OF SHELL 

 FISHERIES OF THE 

 STATE OF RHODE 

 ISLAND. 



LESTER A. ROUND, PH. D. 



PROVIDENCE : 



E. L. FREEMAN CO., STATE PRINTERS, 

 1914 



