170 PROCEEDINGS OF THE ACADEMY OF [March, 



March 7. 

 The President, Samuel G. Dixon, M.D., LL.D., in the Chair. 



Fifty-three persons present. 



The death of Benjamin Chew Tilghman. a member, March 6, 1911, 

 was announced. 



The Committee on the Hayden Memorial Award was elected as 

 follows : 



Richard A. F. Penrose, Jr., Henry F. Osborn, Amos P. Brown, 

 Frederick Prime and Edgar T. Wherry. 



The Council reported that Mr. George Vaux, Jr., had been appointed 

 Solicitor of the Academy, and Mr. Frank J. Keeley Curator of the 

 William S. Vaux Collections. 



Dr. Henry Tucker made a communication on the dangerously 

 poisonous snakes of the United States. (No abstract.) 



March 21. 

 Henry Skinner, M.D., in the Chair. 



Nineteen persons present. 



The death of Amos R. Little, a member, December 16, 1906, was 

 recorded. 



Thomas H. Montgomery, Ph.D., read a paper on the extension 

 of the usefulness of natural history museums. (No abstract.) 



Remarks on New Cirripedes. — Dr. H. A. Pilsbry spoke of certain 

 barnacles of the genus Alepas living attached to large Discomedusse. 

 The history of the genus was recounted. Alepas is remarkable for 

 the lightness of its organization. The external tunic is very thin; 

 the cirri are short, weak, and but slightly chitinized. The genus was 

 instituted by Sander Rang for a form obtained off the Strait of Gibraltar 

 about the year 1817. No modern account of this Atlantic Alepas has 

 been published, but subsequent authors referred to the same genus a 

 long series of nude barnacles living attached to a solid substratum, 

 but which differ in important features from the true Alepas. For 



