221 



tion for metaphysical science than any which had been pre- 

 viously adopted. 



DONATIONS. 



Catalogue of the Works of Art in the Possession of Sir 

 Peter P. Rubens, at the Time of his Decease. Presented hy 

 Dawson Turner, Esq. 



Ueber die Himjaritische Sprache und Schrift. Von Dr. 

 W. Gesenius. Presented by the Author. 



A Descriptive Vocabulary of the Language of the Abo- 

 rigines of Western Australia. By G. Fletcher Moore, Esq. 

 Presented by the Author. 



MagnetischeundMeteorologische Beobachtmigen zu Prag. 

 Vom I'juh 1839, bis 31 JuU 1840. By Karl Kreil. Pre- 

 sented by the Author. 



Proceedings of the American Philosophical Society. Vol. 



II. No. 19. 



A Record of the Case of Mary Jobson. By W. R. 

 Clanny, M. D., &c. Presented by the Author. 



February 28. 



Rev. HUMPHREY LLOYD, D. D., Vice-President, 

 in the Chair. 



Dr. Evory Kennedy read a paper on the peculiar Sys- 

 tem of Generation, and Habits, observed by him to prevail in 

 certain Acephalocysts, parasitical animals inhabiting the 

 human body, and belonging to the class of hydatid entozoa. 



Having considered their animal nature, and their primary 

 formation,''as involving the question of spontaneous genera- 

 lion, he described generally the methods of reproduction 

 adopted in this class of animals, and adduced the explana- 

 tions and opinions offered by the best authorities on the 



