12 



of which were in the Society's collection, viz : Mangusta 

 Ichneumon, M. tetradactyla, and Sciurus petaurista. 



Mr. Sherwin made a verbal report on the pamphlet enti- 

 tled " An Attempt to determine by experimental research the 

 true theory of the Pneumatic Paradox, by Jos. H. Abbot." 

 He exhibited the different experiments by which the ex- 

 planation offered by Mr. Abbot was supported. 



The Secretary laid before the Society a communication 

 for the Society's Journal by the Rev. J. H. Linsley of Con- 

 necticut, on Tornados, Waterspouts, &c. 



A communication was read from Mr. Alger, laying before 

 the Society a proposition of Mr. Archer of Liverpool to send 

 the Society casts of the Cheirotherium footprints, desiring 

 in exchange casts and drawings of the Ornithicnites gigan- 

 tens. 



Voted, to send casts of O. giganteus to Mr. Archer at the 

 expense of the Society. 



Dr. Storer read a letter from Spencer F. Bird of Cumber- 

 land County, Pennsylvania, offering to make exchanges 

 with members of the Society. He also read extracts from 

 a letter from J. P. Couthouy, dated Hawaii, giving an 

 account of the Volcano at that island. 



A Discourse on the objects of the National Institution for 

 the promotion of Science at Washington, by J. R. Poinsett, 

 was presented to the Library by Hon. R. C. Winthrop. 



Adjourned, 



J.'WYMAN, Bee. Sec. 



March 17. 

 The President in the Chair. 

 Eighteen members present. 

 The following Donations were laid on the table : 



An Address on the Study of Natural History, by J. G. Morris. 



Four volumes of the Naturalist's Library, viz : Mammalia, Vols. 

 Ill and IV ; Ornithology, Vol. V ; Ichthyology, Vol. I. Refer- 

 red to the Committees on their respective subjects. 



