147 



Me moire sur Didcrcns Procedes d'lntegration, &c. &c. Par J. 

 Plana. Extrait du Journal dcs Malhcmatiques de M. Crelle. — 

 From the Author. 



Proceedings of the Zoological Society of London. Part VIII. 8vo. 

 London, 1840. — From the Society, 



Supplemental Instructions for the use of the Magnetical Observato- 

 ries. 8vo. London, 1841. — From the Royal Astronomical So- 

 ciety. 



The British Almanac of the Society for the Diffusion of Useful 

 Knowledge for the Year 1842. 12mo. London, 1842. — From 

 Mr. Jacob Snider, Jun. 



Memorias de la Sociedad Patriotica de la Habana. Vol. XIII. No. 

 73. Havana, 1841. — From Dr. Dunglison. 



Chinese Chrestomathy, in the Canton Dialect. By E. C. Bridgman. 

 4to. Macao, 1841. — From the Author. 



A note to the paper of Dr. Harlan, reported for publication 

 at the last meeting, was read, and, by request of the Committee 

 to whom the paper had been referred, was ordered for publica- 

 tion. 



Dr. Hare made an oral communication in relation to the re- 

 port presented to the Academy of Paris on Mr. Espy's theory 

 of tornadoes, rain, &c, and stated that, on his representations 

 that the electrical theory of these meteors had not been duly 

 considered in making up the report, the subject had been again 

 brought before the Academy and referred. 



Prof. A. D. Bache made some statements, on the authority 

 of Mr. Espy, of the circumstances under which the conclusions 

 to the report referred to had been prepared. 



Dr. Hare also communicated some observations on the sus- 

 pension of clouds, made by him last summer in Switzerland, 

 and stated his opinion that clouds were constantly forming and 

 dissolving masses of vapour. 



Mr. Lea made some remarks upon the Oolitic formation of 

 America, and submitted evidence of its existence, in addition 

 to that furnished in his paper, published in the Society's Trans- 

 actions. 



Dr. Dunglison, on behalf of Dr. Cohen, of Baltimore, com- 

 municated a paper, describing the post mortem appearances in a 

 case of deafness. 



