Jan. 15, 1876.] 5o [HaU. 



On the Progress of the Museum and Palmontological Work oj the Second 

 Oeological Survey of Pennst/loania, for the year 1875. 



Bt Chaules E. Hall. 

 (Read before the American Philosophical Society, January 15, 1876.) 



The principal collections received from the Assistants and their parties 

 have generally been to demonstrate the sections made by them in their 

 particular districts. 



The following collections of fossils have been made : 



A series of specimens representing a section from Bellefonte, Centre 

 County, to the Allegheny Mountain, including specimens from the Lime- 

 stone of II up to the Coal Measures. Number of specimens 165. A collec- 

 tion of bituminous and cannel coals, also cokes. By ]\Ir. F. Piatt. 



A series of specimens representing the horizons of the Mountain and Oil 

 sands with their included measures and fossils from Venango, Warren, 

 Foster and Crawford Counties. By Mr. J. F. Carll. 



Specimens from Mifflin County, representing the Logan and Lewistown 

 Sections; — from Graham's, Snj^der's and McKees' fossil-ore openings; — 

 McVeytown Section, including Ross's, McCoy's and Dull and Brady's Ore 

 Banks (Marcellus hematite) ; — Mt. Union Section. Number of specimens 

 747. By J. H. Dewees. 



Specimens from the South Mountain district, including some fossils. By 

 Prof. Fredk. Prime, Jr. 



Specimens of sandstone with Scolithus linearis, from Franklin County. 

 By Prof P. Frazer, Jr. 



Collection of Coal Plants from Washington and Green Counties. By 

 Prof Stevenson and J. C. White. 



Collection of Fossils from the Chemung and Catskill, with section 

 through a portion of the Chemung, Tioga County. By A. Sherwood. 



Collection of Fossils from the Hamilton Group at Marshall's Falls, 

 Monroe County. By H. Martj'n Chance. 



Specimens representing a section from the Limestone of II at Orbisonia 

 to the Coal Measures of Broadtop Mountain, Huntingdon County. Number 

 of specimens 350. By C. E. Billin and C. A. Ashburner. 



Besides these there have been special pateontological collections made at 

 the following localities during the past summer : 



From the Carboniferous in Westmoreland County, and in Washington 

 and Greene Counties. 



From the Catskill, in Tioga County. 



From the Chemung group, from eight localities in Tioga County. 



From the Hamilton group at Marshall's Falls and vicinity, in Monroe 



