78-(48) EXAMINATION OF A STAIN, ETC. 



that their width is very considerable. Perhaps nothing 

 yet discovered in the whole system, is so inexplicable. 



The subject was further discussed by Professors Cooley 

 and T) wight. 



FEBRUARY 22d, 1882 -THIRD STATED MEETING. 



L. C. Cooley, Ph. I)., Chairman, presiding ; ten mem- 

 bers present. 



Donations were made to the Museum and Library as 

 follows : 



Fragments of bones and Indian pottery, taken from an 

 Indian burial ground on the banks of Hoosic river, at 

 Buskirk's Bridge, N. Y., by Dr. Stevenson. 



Vols. 1, 2, 4, 5, 6, 7, and one atlas, of U. S. Geo- 

 logical Explorations of 40th parallel ; and Vols. 2. 0, 7, 

 of U. S. Geographical Surveys West of 100th meridian : 

 by Engineer Department of U. S. Army. 



' Mr. C. N. Arnold stated that Mr. Nathan Clifford^ of 

 this city, was a cutter of dye-woods in 1813, in which 

 year he received from Paul Cuff, a colored captain in the 

 service of William Roach, six tons of cam-wood, the 

 first ever brought to America ; the wood was carried to 

 Washington, in this county, and there cut by Mr. Gilford 

 and shipped by him from Poughkeepsie to New York, 

 where it was sold at the rate of $1000 per ton. 



Charles E. Fowler, C. E. was electetl a member. 



The following paper was read : 



FXAMINATION OF A STAIN FOUND ON MONUMENTAL 



MARBLE. 



BY PROF. LEROY C. COOLEY, PH. P. 



My attention was called in the Summer of 1881, to a 

 stain which had made its appearance on one of the mon- 

 uments in the Poughkeepsie Cemetery. Along the side 

 of this monument were several small columns of white 

 marble polished, standing on a base of unpolished mar- 

 ble of the same kind. On the side of one of these was 

 the disfiguration. It extended from near the middle of 

 its height downward a distance of twelve or fifteen inches 

 to the base, and thence over several square inches of the 



