188G.] NEW YORK ACADEMY OF SCIENCES. 233 



the belief that the rocks of this locality are certainly Archaian, 

 but of a perioil later than those of the "Highlands." 



Mr. W. E. Hidden exhibited a polished sphere of quartz 3j\ 

 inches in diameter, recently made in Newark, which, in all 

 respects, is equal to the Japanese crystal spheres. 



Dr. J. S. Newberry delivered an address entitled 



REVIEW OF THE FOSSIL FISHES OF NORTH AMERICA, WITH 

 NOTICE OF SOME NEW SPECIES. 



(Illustrated with many specimens and drawings.) 

 (To be publislied in the Annals.) 



May 10, 1886. 

 Stated Meeting. 

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

 Fifty-one persons present. 

 The Secretary, Prof. H. L. Fairchild, read 



A HISTORY OF THE SOCIETY, 



from its organization in 1817 to the present time. 



The topics treated were as follows: Origin — Early Years — 

 Original Members — Officers — Biographical Sketches — Meeting 

 Places — The Lyceum Building — Collections — Library — Publica- 

 tions — The Semi-centennial — Change of Name, etc. 



(To be published separately by the author.) 



(A number of the old records, including the first minute book, 

 documents, papers, etc., were exhibited.) 



