PROCEEDINGS 



OF THE 



AMERICAN PHILOSOPHICAL SOCIETY 



HELD AT PHILADELPHIA 

 FOR PROMOTING USEFUL KNOWLEDGE 



Vol. XL VI January-April, 1907. No. 185. 



Stated Mcctiiig Jauuary 4, igo/. 

 President Smith in the Chair. 



An invitation was received from the Reale Istituto d'lncorag- 

 giamento di NapoH inviting the Society to be represented at the 

 celebration of the completion of the first centenary of its existence 

 on December 31, 1906. 



The Secretaries were instructed to express suitably the regret 

 of the Society that the invitation was received too late for the 

 Society to be represented at the celebration. 



The decease was announced of Alexander J. Cassatt at Phila- 

 delphia on December 27, 1906, set. 67. 



The following papers were presented : 



" The Geology of the San Francisco Peninsula," by Roderic 

 Craxdall. (See page 3.) 



'' The Cathodic Precipitation of Carbon," by William Blum 

 and Edgar. F. Smith. (See page 59.) 



The Judges of the Annual Election of Officers and Councillors 

 held on this day between the hours of two and five in the afternoon, 

 reported that the following named persons were elected according 

 to the laws, regulations and ordinances of the Society to be the 

 officers for the ensuing year : 



PROC. AMER. PHIL. SOC, XLVL 185A, PRINTED JULY 12, I907. 



