1894.] ^ [Lyman. 



ated out of the income of the Michaux Fund for the expenses of the Fif- 

 teenth Course of the Michaux Forestry Lectures by Prof. J. T. Rothrocli." 



By order of the Coinraittee, 



J. Sergeant Price, Secretary. 



The Librarian reported that Dr. Elliott Coues had returned 

 personally all the Lewis and Clarke manuscripts borrowed by 

 him ; that the same were correct in number and condition; 

 that Dr. Coues had arranged them in a most excellent and 

 careful manner, so as to facilitate all future reference ; in fact, 

 that they were in much better condition than when loaned by 

 the Society. 



The Treasurer was authorized to receive from the city of 

 Philadelphia the sum of ^3000 due January 1, 189-i, and to 

 sign proper quittances therefor. 



And the Society was adjourned by the President. 



Age of the Neioark Brownstone. 



By Benj. Smith Lyman. 



{Read before the American Philosophical Society, January 5, 1S94.) 



There seems to be reasonable ground for doubt whether the rock beds 

 of the Newark, N. J., brown building stone quarries belong even to the 

 Mesozoic, as they have generally been thought to. In spite of the un- 

 favorable character of the sandstone for preserving fossils, it has yielded 

 a number of specimens, and the identification of at least two species has 

 been attempted. In the New Jersey State Oeologicnl Report for ISTO, p. 26, 

 the late deeply lamented State Geologist, Prof Cook, speaks of certain 

 fossils at the closely adjacent Belleville quarries, evidently in the same 

 sandy beds, as follows, citing the unexcelled avithority of Lesquereux : 



"At the Belleville quarries thin seams of coal and impressions of the 

 stems and branches of plants are not uncommon. A fragment of the 

 stem of a plant with surface markings like the Lepidodendron was found, 

 and is now the property of Mr. David Hitchcock, of Orange. It is a very 

 plainly marked, flattened stem, eight inches long, four and one-half 

 inches wide, and one and one-half inches thick. Photographs of this 



