TRANSACTIONS 



OF THE 



New York Academy of Sciences. 



October i, 1883. 

 Regular Business Meeting. 

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

 Twenty-four persons present. 



The resignation of Prof. T. Egleston as member of the Council 

 was received, and Prof. H. L. Fairchild was elected in his place. 



Dr. Newberry spoke on the subject of his travels and observa- 

 tions in the West during the past summer. 



Prof. D. S. Martin referred to a visit recently made to Tren- 

 ton, to examine the stone implements found by Dr. Charles C. 

 Abbott in the Glacial gravels in the vicinity of that city. On his 

 motion, Dr. Charles C. Abbott was then elected a Correspond- 

 ing Member of the Academy. 



Prof. Martin then read, by title and abstract, a paper, by Prof. 

 Thos. Egleston, on 



THE PATIO AND CAZO PROCESSES FOR THE AMALGAMATION OF 

 silver ORES, USED IN MEXICO AND CHILI. 



(Printed in the Annals, Nos. i and 2, Vol. III.) 

 Dr. B. N. Martin exhibited a specimen of crystallized chloride 

 of silver from Canada. 



Dr. N. L. Britton exhibited specimens of zeolites, associated 

 with native copper, and of sulphide of copper from the Isle 

 Royale Mine near Houghton, Mich., and a large and regular 

 pseudomorph in chlorite after dodecahedral garnet. 



