232 TRANSACTIONS OF THE [mAY 3, 



May 3, 18SG. 



Regular Business Meeting. 



The President, Dr. J. S. Newberry, in the Chair. 



Twenty-nine persons present. 



Mr. Addison L. Ewing was elected a Resident Member. 



The Seal, described and figured as follows, was adopted as the 

 official seal of the Society. The name of the Society, with the 

 date of incorporation, rests upon a background representing the 

 American hemispheie. A lighted Roman lamp surmounts the 

 hemisphere Avhich is surrounded by a dark band, bearing in 

 white letters the motto — "Per maria, per terras.^' 



Dr. J. J. Friedrich exhibited masses of mica schist from 

 excavations in the city, which contain a large amount of mag- 

 netite. In the ensuing discussion, statements by Mr. Oham- 

 berlin. Dr. Friedrich, and others established the fact of the 

 common occurrence of magnetite in the rocks of New York 

 Island and "\Vestchester Co., disseminated, and in nodules and 

 beds, and associated with muscovite and apatite. 



Dr. Britton said that in the "Highlands" of New Jersey 

 and New York the rocks containing magnetite hold less mica, 

 which is mainly biotite. Dr. Elliott thought the apatite in 

 the " Highlands" rocks is more definitely crystalline. 



President Newberry said that these facts aid in confirming 



