169 



French Geographical Society and Revue Politique, the 

 Royal and R. Astronomical and Linnean Society, Meteoro- 

 logical Office, the Royal Observatory at the Cape of Good 

 Hope, London Nature, the Essex Institute, American Chemist, 

 Penn Monthly, Franklin Institute, Medical News, Pennsyl- 

 vania Institution for the Deaf and Dumb, Prof. Dr. Rand, 

 Mr. "W. E. Dubois, the P. Episcopal Hospital in Philadelphia. 

 and Mansell & Co., of London. 



An obituary notice of Dr. C. D. Meigs, prepared by ap- 

 pointment of the Society by Dr. John Bell before his death, 

 was read by the Secretary of the evening. 



The decease of Prof. John Torrey, of Columbia College, 

 New York, on the 16th inst., aged 75, was announced. 



Prof. P. E. Chase communicated a note on the Gamuts of 

 Sound and Light. (See page 149 ante.) 



Mr. Holman, by request, exhibited the working of his 

 new Microscope-slide, for observing at leisure, and through 

 long intervals of time, blood corpuscles, ama?b?e, and other 

 floating objects. 



Prof. Frazer described a convenient and cheap device for 

 giving any required altitude or slope to a limelight lanthorn, 

 by means of a common table, with castors on two legs only, 

 and with three superposed tops, hinged so as to open like :he 

 letter Z. 



Pending nominations 715 to 732, and new nominations 

 Nos. 733, 734, 735 were read. 



On motion of Mr. Price, seconded by General Stokes, it 

 was resolved that this Society recommend to the Legislature 

 the passage of a law providing for a new and comprehensive 

 Geological Survey of the State. 



The Vice-President informed the meeting that the securi- 

 ties of the Society are lodged in the vaults of the Schuylkill 

 Navigation Co., and on motion, the Treasurer was author- 

 ized to rent a box in some one of the offices of safe deposit, 

 for their better security. 



And the meeting was adjourned. 



A. P. S. — VOL. XIII. V 



