Proceedings of Scientific Societies, 873 
1887] 
: privileges of their club-house for two weeks to the members of 
i d D. 
For Wednesday, an invitation was- extended by the Right 
_ Rev. Bishop Potter, to those members who desired to visit the 
_ Public Institutions on Blackwell’s Island. 
__ A geological party, under the direction of Mr. George Kunz, 
_ bergen Ridge. On their return, the party were entertained by 
_ ‘Mir. and Mrs, Kunz at their house in Hoboken. 
Lieutenant E. L, Zalinski, Fifth. U. S. Artillery, invited those 
_ Members who are interested in Mechanics and Physics to witness 
the firing of the “ pneumatic” (dynamite) gun, at Fort. Lafayette, 
on Wednesday afternoon. 
he Excursion Committee was authorized by Mr. Henry Mo- 
nett, Gen. Pass. Agt., to extend in behalf of the New York Cen- 
_ fal & Hudson River Railroad Co.,an invitation to those attend- 
_ ing the Association to visit Saratoga at a nominal rate. 
Tuesday, August 16. 
Ds SECTION E—GEOLOGY AND GEOGRAPHY. 
3 plants andy ea in the lower Taconic of Emmons; a en bebica i a 
E- ẹ fis P t ey o 
g Connecticut ; 1 ae of the triassic rocks ooh Jersey and the igen Ls. 
~-Woerry, The 
y ociate! *E ee 
Serpentines of S. E. Pennsylvania; Fred’k D. Chester. Exhibition 
So aphical microscope of American manufacture; George H. Wil- 
Tocks of the a amples of the dynamic metamorphism of the ancient eruptive 
System - re som shore of Lake Superior; George H. Williams.. The “ Huronian 
md Geo, p Kutt Winchell. Is there a diamond field in Kentucky? J. S. oe 
$ . N. C.; Geo. F. Kunz... On the agatized and jas- 
“¢ wood from Chalcedony Park, Arizona, with exhibition of magnificent spéci- 
unz. The relation of the pole of the land hemisphere to pene 
magnetic system, and to seismic force; Richard ioio epee ox 
wax; R. 
reat Barrington, Mass.; Alexis A. Julien. The four great 
" i < W. CI le. The Trenton limestone as a source 
eolgan 4 inflammable gas in Ohio and Indiana; Edward Orton. The un- 
0 ie of Ilinois; Theo. B. Comstock. Notes on the extinct thermal 
Sas; Theo. B. Comstock. a 
e SECM 
of the vegetative organs of Brasenia 
ja peltata Pursh; J. Schrenk. = 
Amboy clays; J. S. Newberry. Honey plant oil; F. S. Pease. 
S 
meşğquito; G. Macloskie. On cataloguing microscopical in 
the origin, development, and prevalency of the so-called gine 
ey pE pe e 
| 5. Pease. The flora of the Potomac ee ee So 
Crozier, Some notes on American roses; Sereno Watson. m 5 | : 
