26 [Assembly, 



Many of these specimens are types which are represented 

 by descriptions and analyses in the reports of the Second 

 Geological Survey of Pennsj'lvania. They bear the number 

 of the reports and are, therefore, catalogued in reports 

 O. & 0. 2 of the Pennsylvania Survey. 



From Mr. Charles E. Hall, of the Pennsylvania Geological 

 Survey : 



A collection of 230 representative ores and minerals, occur- 

 ring in the crystalline-rock formations in the south-eastern 

 part of the State. Collected during the progress of the 

 Second Geological Survey of Pennsylvania. 



From Silas C- Young of Edenville : 



A collection of minerals, consisting of twenty -four specimens, 

 of warwickite, yttrocerite, houghite, leucopyrite, xanttrite 

 and jeffersonite, occurring in the vicinity of Edenville, 

 Orange county. 



From S. C. H. Bailey, Cortlandt-on-Hudson : 

 Meteoric iron, Scriba, Oswego county. 



IV. PAL^EONTOLOGICAL. 



By Donation. 

 From L. r J. Bennett, president Buffalo Cement Company, Buffalo, 

 K Y. : 



Eurypterus lacustris, two large specimens in slabs. 



From Jacob T. Hazen, West Park, Ulster county, N". Y. : 



Slab of Hudson river slate, with graptolites, from West 

 Shore railroad cut at West Park. 



From D. D. Luther : 



A specimen of Lepidodendron from the Portage shales, 

 near Naples. (The specimen consists of a portion of the 

 trunk, about fifteen feet long and thirteen to four and 

 one-half inches wide. 



From Charles E. Beecher : 



Type specimen of Spirodomus insignis, Beecher, Waverly 



group, Warren, Pa. 

 Limestone, with Ccdospira concava, lower Helderberg group, 

 Hudson, N.-Y. 



