Se. —__<—— 
1884.) 451 (Graff. 
zon assigned to a specimen of Hurypterus pennsylvanicus, 
found 72’ + top of Pithole well, Venango county, Pennsy]- 
vania, which places it 167’ above top of Pithole (Berea) grit 
struck in the well; therefore, a considerable distance beneath 
the Garland or Olean (Pottsville conglomerate bottom member) 
conglomerate. In Proceedings American Philosophical So- 
ciety, Vol. XVI, page 621, its horizon is wrongly made to be 
above the Garland conglomerate, and therefore in the Pottsville 
conglomerate No. XII. Mr. Lesley remarked that Prof. James 
Hall's description of this and other Eurypterids, beautifully 
drawn by Mr. Simpson of Albany, was about to be published 
in Report of Progress, P. 8, of the Second Geological Survey of 
Pennsylvania. 
Mr. Blazius read a paper on the unhealthy conditions of 
certain portions of great cities, produced by prevalent winds 
from certain quarters, and on the necessity for providing for 
their inhabitants means of rapid transit to and from the sur- 
rounding country. 
Pending nominations Nos. 1012 to 1022, were read. 
And the meeting was adjourned, 
Obituary Notice of Strickland Kneass. By Frederic Graff. 
(Read before the American Philosophical Society, March 21, 1884.) 
On the morning of January 14, 1884, one of the valued members of this 
Society, Mr. Strickland Kneass, died at his residence in this his native city. 
We realize with sincere regret the loss of one intimately identified with 
the local affairs of this city, and the valuable railroad interests of the State 
connected therewith, and present this brief sketch of his life, as a record 
of a worthy and useful man. 
Mr. Kneass was born July 29, 1821. His father, Mr. William Kneass, was 
an engraver of some note, and for several years employed in that capacity 
by the Government in the Mint in this city. 
Mr. Kneass obtained his early education under the care of Mr. James 
P. Espy, who was one of the first to devise and suggest the present 
methods of anticipating changes in the weather, though from the lack of 
telegraphic communication at that time they fell short of the completeness 
that they have since attained. 
After leaving school Mr. Kneass decided to adopt the profession of Civil 
