represented in that important series of scientific works, 

 " The Natural History of the State of New York." 

 These numbers indicate that the whole series of speci- 

 mens which will be selected for permanent exhibition 

 from the Hall Collection will amount to 80,000 or 100,- 

 000, and the whole number of typical and figured speci- 

 mens at about 7,000. 



We have received from the estate of the late Carlos 

 Cobb, through Mrs. E. F. Peterson, a select series, mostly 

 on large slabs, of the fossils of the Waterlime Group, con- 

 taining 27 types of Pterygotus, Eurypturus and other 

 Crustacea. 



Mr. Samuel Sloan has presented several remarkably 

 large and perfect slabs of coal plants from the anthracite 

 mines at Scranton, Pa. 



Mr. D. J. Steward has forwarded several large slabs 

 of Schoharie grit from Goshen, Orange Co., N. Y., and 

 many separate fossils. 



Mr. A. Woodward has presented and arranged 114 

 rocks, illustrating the geology of Manhattan Island, and 

 also assisted the Curator of that department. 



By exchange with Prof. C. H. Hitchcock, of New 

 Hampshire, we have obtained a relief map of that State 

 and 2,000 specimens of rocks representing the work 

 done by its geological survey under his direction. 



From the estate of the late Dr. A. Habel we have re- 

 ceived 70 specimens of rocks and fossils from Peru, all 

 of which are new to the collection. 



We have received on deposit, and arranged in drawers, 

 where each specimen is secure and accessible, the col- 

 lection of rocks and fossils gathered by the United States 

 National Survey of the 40th parallel, Mr. Clarence 

 King in charge. It contains 3,523 fossils, 3,880 rocks, 

 and also 2,800 microscopic sections of rocks, which are 



