f Hi 
* 
On motion the title of the Nat. His. Society of Hanover 
was ordered to be placed on the list of Corresponding Socie- 
ties to receive the Proceedings. 
Donations for the Library were received from the Depart- 
ment of Mines, Victoria, N.S. W.; Imp. R. Academies at 
Berlin, Rome and Brussels; the Society at Augsburg ; Geo- 
graphical Society and Annales des Mines, and R. Politique 
at Paris ; Society of Antiquaries ; Nature and Cobden Club, 
London; Boston 8S. N. H.; Silliman and Dana; College 
of Physicians, Penn Monthly, Franklin Institute, Amer. 
Jour. of Pharmacy, Medical News, and E. D. Cope, 
of Philadelphia; Mr. John Ericsson of New York; Prof. 
H. D. Eddy of Cincinnati; and the Mexican Meteorologi- 
cal Observatory. 
The death of Prof. Louis Stromeyer, at Hanover, in 
August, 1876, was announced by the Secretary. 
The death of Mr. Robert Were Fox, at Falmouth, Eng- 
land, July 25, in the 88th year of his age, was announced 
by the Secretary. : 
Prof. Sadtler communicated verbally his personal observa- 
tions of collections of so-called |’araftine from around the 
pipes and bore holes of the Oil region, and his laboratory 
demonstration that it was a mechanical emulsion of gas and 
water condensed upon the surfaces from which it is col- 
lected. 
Prof. Sadtler promised soon to give the finished results of 
his investigations in the Laboratory of the University into 
the nature of the natural gases emitted by the oil wells. He 
has.already discovered that the higher hydro-carbons of the 
marsh gas series are really present in these gases almost uni- 
versally. 
A description of the Spouting Wilcox Well, No. 1.,in Mc- 
Kean county, by W. Charles A. Ashburner, of the Geolog- 
ical Survey of Pennsylvania, with a graphical representation 
of the time, order, and height of a series of jets from it, 
was read by the Secretary. 
Mr. Briggs explained why and how this phenomenon ot 
