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XLr. ISolices respecting New Books. 



Fhilosophkal Transactions of the Royal Society of Loiidoni, 

 for the Year 1807. Part II. 



JL HIS Part contains the following papers: — VII. On 

 Fairy-rings. By William Hycle Wollaston, M. D. Sec, 

 R. S. — VIII. Observations on the Structure of the 

 Stomachs of ditTercnt Animals, witli a View to elucidate the 

 Process of converting animal and vegetable Substances into 

 Chyle. By Everard Home, Esq. F.R.S. — IX. Experi- 

 ments for investigating the Cause of the coloured concentric 

 Rina;3, discovered by Sir Isaac Newton, between two Ob- 

 ject-glasses laid one upon another. By William Herschel, 

 LL. D. F. R. S. — X. On the Economy of Bees. In a 

 Letter from Thomas Andrev/ Knight, Esq. F. R. S. to the 

 Right Honourable Sir Joseph Banks, Bart. K. B. P. R. S. — 

 XI. ObscrvaMons and Measurements of the Planet Vesta. 

 By John Jerome Sehroeter, F. R. S. — XII. A new Eudio- 

 meter, accompanied with Experiments, elucidating its 

 Application. By William Hasledine Pepys, Esq. commu- 

 nicated by Charles Hatchett, Esq. F. R. S.— XIII. Ob- 

 servations on the Nature of the new celestial Body discovered 

 by Dr. Olbcrs, and of the Comet which was expected to 

 appear last January in its Return from the Sun. By William 

 Herschel, LL. D. F. R. S.— XIV. On the Quantity of 

 Carbon in carbonic Acid, and ou the Nature of the Dia- 

 mond. By V/illiam Allen, Esq. F. L. S. and William 

 Hasledine Pepys, Escp Communicated by Humphry Davy, 

 Esq. Sec. R. S.— XV. An Account of the Relistian Tin 

 Mine. By Mr. Joseph Carne, in a Letter to Davies Giddy, 

 Esq. M. P. F. R. S.— XVI. An Analysis of the Waters 

 of the Dead Sea and the River Jordan. By Alexander 

 Marcet, M. D. one of the Physicians to Guy's Hospital. 

 Conmumicated bv Smithson Tennant, Esq. F. R. S. — Pre- 

 sents received by the Royal Society from November 1806 

 to June IS07. — Index. 



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