40 



of the City and County of Philadelphia. 1841. 8vo. — From 



Mr. G. M. Wharton. 

 The American Medical Library and Intelligencer. By Robley Dun- 



glison, M.D., &c. &c. Vol. IV. Nos. 21 & 22, Feb., 1841. 



8vo. — From the Editor. 

 A Discourse on the Character, Properties, and Importance to Man, of 



the Natural Family of Plants, called GramineaB or True Grasses. 



By Wm. Darlington, M.D. West Chester, 1841. 8vo. — From 



the Author. 

 Minutes of the General Assembly of the Presbyterian Church in the 



United States of America. For 1836, 1837, 1838, 1840. Phi- 

 ladelphia. 8vo. — From Mr. Kane. 

 A Dictionary, Hindoostanee and English. By Capt. Joseph Taylor, 



revised by W. Hunter, M.D. Calcutta, 1808. 2 Vols. 4to.— 



From Mr. G. Henshaw Belcher. 

 Coleccion de Obras y Documentos relatives a la Historia Antigua y 



Moderna de las Provincias del Rio de la Plata. Par Pedro de 



Angelis. Tomo Sexto. Buenos Aires, 1837. Foh — From the 



Author. 

 The New Testament, with References to Parallel Passages, &c. &c. 



New York, 1832. — From Mr. Vaughan. 



FOR THE CABINET. 



A large Specimen of the Red Pipe Stone, from the country of the 

 Sioux Indians. — From Mr. J. N. Nicollet. 



Dr. Patterson read a paper, entitled "On the Expansion of the 

 Function x -f h, by Pike Powers, of the University of Virgi- 

 nia;" which was referred to a Committee. 



Mr. Walker read a paper, entitled " Astronomical Observa- 

 tions made at Hudson Observatory, lat. 41° 14' 40" N., and 

 long. 5° 25' 45" W., by Elias Loomis, Prof. Math, and Nat. 

 Phil, in Western Reserve College;" which was referred to a 

 Committee. 



Dr. Patterson described the arrangement of a Thermometer, 

 which he had caused to be attached to a steam boiler at the 

 United States' Mint, for the purpose of indicating the pressure 

 of the steam by reference to the temperature of the water. 



The bulb of the thermometer was immersed in a bath of mercury, 

 contained in a bent iron tube passing through the head of the boiler 



