1909.] NATURAL SCIENCES OF PHILADELPHIA. 193 



April 6. 

 Arthur Erwin Brown, Sc.D., Vice-President, in the Chair. 



Forty-six persons present. 



The Publication Committee announced the reception of a paper 

 entitled : 



" Polychaetous Annelids from Monterey Bay and San Diego, Cali- 

 fornia," By J. Percy Moore (April 6). 



The Recording Secretary read a short history of the Academy, 

 prepared for publication in the Founders' Week Memorial Volume. 



April 20. 

 Arthur Erwin Brown, Sc.D., Vice-President, in the Chair. 



Eighteen members present, 



The death of Dr. Persifor Frazer, a member, April 7, 1909, was 

 announced. 



Dr. H. A. Pilsbry made a communication on barnacles, with 

 special reference to certain recently found commensal forms. 



John Gribbel and Mrs. Elizabeth B. Gribbel were elected members. 



The following were ordered to be printed: 



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