April, 1846.] 37 



Report on Atlantic Mail Steamers, by the Committee of Con- 

 gress on Post Offices and Post Roads. Read March 27th, 

 1846. From Jos. R. Ingersoll, Esq. 



Seventeenth Annual Report of the Inspectors of the Eastern 

 State Penitentiary of Pennsylvania. Philadelphia, 1846. 

 From Dr. Morton. 



The London Athenaeum for Aug. and Sept., 1843, containing 

 several papers of interest in Natural Science. From Dr. 

 Wm. Blanding. 



The following pamphlets were received from Richard K. 

 Haight, Esq., of New York. 



Memoire sur le traitement de l'alienation mentale, par M. le 

 Dr. A. Petit. Paris, 1843. De la meningite cerebro- 

 rachidienne, et de l'encephalo-meningite epidemiques : par 

 J. F. Rollet. Paris, 1844. Nouvelle methode de traite- 

 ment de l'empoisonnement par l'arsenic, &c. : par M. Rog- 

 netta, D. M. P. Paris, 1840. 



The Chairman read an extract of a letter from M. Agassiz, 

 dated from Neufchatel, Switzerland, acknowledging the re- 

 ceipt of his notice of election as a Correspondent, and an- 

 nouncing his intention of visiting this country for scientific 

 purposes during the present year. 



Prof. Johnson informed the Society that he had presented 

 in. person to the Chairman of the Joint Library Committee of 

 Congress, a copy of the resolutions passed at a recent meeting 

 of the Society,* asking for an increased edition of the scien- 

 tific reports of the late South Sea Exploring Expedition, and 

 stated that the committee were favorably disposed towards 

 the measure. 



*See page 18 of last number. 



