OP ARTS AND SCIENCES. 301 



Professor J. P. Cooke presented a paper entitled " The 

 Vermieulites : their Crystallographic and Chemical Relations 

 to the Micas." 



Professor W. H. Pettee, at the request of Professor F. D. 

 Whitney, presented to the Academy a copy of a map of Cali- 

 fornia, and described some measurements of the height of 

 Mount Whitney. 



Mr. William Everett presented certain results of investiga- 

 tions into the family names of the Romans, including a new 

 interpretation of Romans xvi. 23. 



Six hnndred and sixty-fourth Meeting. 



January 13, 1874. — Monthly Meeting. 



The President in the chair. 



Professor John Trowbridge was appointed Secretary pro 

 tern. 



The President alluded in a feeling manner to the loss 

 which the Academy had sustained in the death of Professor 

 Louis Agassiz. 



The deaths of Carl Friedrich Naumann and Auguste de la 

 Rive, Foreign Honorary Members, were also announced to the 

 Academy. 



It was moved by Professor Asa Gray that Doctor Morrill 

 Wyman be invited to prepare a memoir of Professor Tread- 

 well, to be published in the Proceedings. 



Professor J. P. Cooke presented a paper on the optical 

 properties of micas, supplementary to that presented at the 

 last meetmg. 



Professor Joseph Lovering also presented a paper supple- 

 mentary to that which he read at the last meeting, on Hug- 

 gins's results on the motions of the stars. 



Professor John Trowbridge presented a paper on a method 

 of freeing a magnetic bar from the directive influence of the 

 earth's magnetism. 



Mr. S. P. Sharpies made some remarks on certain crystals 

 of zinc, formed on the plates of the thermo-battery of Mr. 

 Moses G. Farmer. 



