181 



the Uiuversity of Pennsylvania, No. 2. On an improvement 

 of the Burette Yalve." By Geo. A. Ivonig, Ph.D. 



Dr. Genth communicated a paper entitled : — " Contribu- 

 ti(ms from the Laboratory of the University of Pennsylvania, 

 No. 3. On American Tellurium and Bismuth Minerals, 

 By F. A. Genth." 



And the meetins; was adiourned. 



Stated MceMng, September IWi, 1874. 



Present, 8 members. 



Vice-President, Mr. Fraley, in the chair. 



A letter accepting membership was received from Mr. J. 

 Xorman Lockj^er, dated 5 Alexandra Road Fenchly Road, 

 London, June 25, 1874. 



A letter accepting membership was received from Mr. 

 Franklin Piatt, dated 139 South Fifth street, Philadelphia, 

 Sept. 8, 1874. 



Letters acknowledging donations and exchanges were re- 

 ceived from R. Academy, Lisbon, Aug. 3, 1774, (XII, ii, iii, 

 XriT, ii, 67, 73, 74, 75, Catalogue II) ; the Society at Riga, 

 Oct. 31, 1873, (XIV, iii, Proc. XII, 1, 2) ; the Imp. Academy 

 at Vienna, Dec. 1, 1873, (88, 89) ; the Zoologico-Botanical 

 Society, at Vienna, Jan., 1874, (Proc. XII, up to 89) ; the 

 Royal Pontifical Academy d. X. L., at Rome, Dec. 9, 1873, 

 (88, 89); the British Association,' London, June 12,1874, 

 (XVI, 90, 91); the Royal Observatory, at Greenwich, July 

 21,1874, (90, 91); the Royal Society, London, June 25, 

 1874, (III; XIV, ii, XV, i, 62, 88, 89, 90, 91) ; the Meteo- 

 rological Office of the R. S., London, June, 10, 1874, (90,91); 

 the Zoological Society, London, July 3, 1874, (XV, i, 

 89, 90, 91); the Society of Antiquaries, Somerset House. 

 London, June 25, 1874, (XV, i, 90, 91); the Statisticul 

 Society, 12 St. James Square, London June 17, 1784, (XV, 

 i, 90, 91) ; the RatclifFe Observatory, Oxford, June 19, 1874, 

 (XV, i, 90, 91) ; the Literary' and Philo=iophical Society, R. 



