ACADEMY OF NATURAL SCIENCES. 197 



Pentachceta, very abundant on the dry hills of Marin County — 

 Pentachccta purpurea of Kellogg. 



Regular Meeting, April 17th, 1865. 

 Dr. Behr in the chair. 



Seven members present. 



Mr. Stearns made some remarks, and offered an appropriate 

 resolution on the death of President Lincoln, which was 

 ordered to be spread upon the Minutes, after which the meet- 

 ing adjourned. 



Regular Meeting, Mat 1st, 1865. 

 President in the chair. 



Ten members present: Messrs. Kennicott, Dall and other 

 gentlemen connected with the Russian American Telegraph 

 Expedition as visitors. 



Donations to the Cabinet : Specimens of native copper and 

 native silver from the Copper Falls Mine, Keewenaw Point, 

 Lake Superior, presented by Mr. Stearns. 



Donations to the Library : Four volumes of the Congress- 

 ional Globe : Finance Report, 1864 ; Report on the Foreign 

 and Domestic Commerce of the United States ; Patent Office 

 Report, (Agriculture,) 1863 ; from the Hon. John Conness. 

 Embryology of the Star Fish, by Alexander Agassiz, presented 

 by the author ; Annual Report of the Museum of Comparative 

 Zoology of Cambridge ; Proceedings of the Essex Institute, 

 Vol. Ill, 1S60-63 ; Silliman's Journal for March, 1865 ; Pro- 

 ceedings of the American Academy of Arts and Sciences. 



The following was received from Prof. W. H. Brewer, in 

 reference to the occurrence of fossils in the auriferous slates of 

 California : 



