TRANSACTIONS 
OF THE 
New York Academy of Sciences. 
October 1, 1883. 
REGULAR BusINess MEETING. 
The President, Dr. J. S. NEWBERRY, in the Chair. 
Twenty-four persons present. 
The resignation of Prof. ‘T. EcLEston as member of the Council 
was received, and Prof. H. L. FAIRCHILD was elected in his place. 
Dr. NEwBeErry 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. Cuartes C. 
AxgoTT 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. MarRTIN then read, by title and abstract, a paper, by Prof. 
TuHos. EGLESTON, on 
THE PATIO AND CAZO PROCESSES FOR THE AMALGAMATION OF 
SILVER ORES, USED IN MEXICO AND CHILI. 
(Printed in the Annals, Nos. 1 and 2, Vol. III.) 
Dr. B. N. Martin exhibited a specimen of crystallized chloride 
of silver from Canada. 
Dr. N. L. Brirron 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. 
