61 



stars decidedly preferable, and has used it alone in computing 

 the tables which are given at the end of the paper. 



DONATIONS. 



^Proceedings of the Royal Academy of Berlin. July, 1 838 — 

 January, 1840, with Index from 1836-39. Presented by the 

 Academy. 



Observations of the Magnetic Intensity in Europe. By 

 A. D. Bache, LL.D., &c. Presented by the Author. 



The Seventh Annual Report of the Royal Cornwall Poly- 

 technic Society for 1839. Presented by the Society. 



Natural History as a Branch of General Education. Pre- 

 sented by the Natural History Society of Belfast. 



Proceedings of the Numismatic Society of London. 1838, 

 1839. Presented by the Society. 



Proceedings of the American Philosophical Society, No. 

 13. Presented by the Society. 



Flora Batata. By Jan Kops. Nos. 120 and 121. Pre- 

 sented by the Author. 



Memoirs of the Royal Astronomical Society. Vol. XI. 

 Presented by the Society. 



Edinburgh Astronomical Observations. Vol. III. 1837. 

 Presented by the Royal Astronomical Society. 



On Paralytic, JYeuralgic, and other Nervous Diseases of 

 the Eye. By Arthur Jacob, M.D. Presented by the 

 Author. 



Quarterly Journal of the Statistical Society of London. 

 Vol. III. Part 4. Presented by the Society. 



An ancient Silver Ring found near Drogheda. Presented 

 by Lieut. W. Persse Newenham, R.N. 



Model of Thumb Screws lately found in the Priory of St. 

 James, Drogheda. Presented by the same. 



A large Collection of Miscellaneous Antiquities, consisting 

 of Stone, Flint, Bronze, and Iron Instruments, Coins, ^c. ^c. 

 Presented by Captain Portlock, M.R.I. A. 



