C N T E N T S 



OF THE 



TWENTY-SEVENTH VOLUME. 



I. Memoir vpon the Apes ivith imperfect Hands, or the 

 ' Ateles. Bij Geoffkoy St. Hilaiue , . . . Page 3 



II. Account of the Success of the American Expeditio?i of 

 Discover!/ under the Command of Captain Lewis: com- 

 municated in a Letter from Captain Clark to his Brother 

 General Clark. ^3 



Til. Extract of a Manuscript Memoir, bij M. Paysse, upon 

 Coffee. Communicated by M. Pakmkntier .. 18 



IV. ^Description of a Compound Gasometer, for Purposes 

 where uniform Pressure is essential, by the Appfuation 

 of the Hydrostatic Regulator. By Joseph Steevens, 



Esq : • : • . • • •• ^^ 



V.' Experiments upon the various Species. of Cinchona. jjy 

 A/.-Vaiuuelin ,. .. •• . . 3S 



VI. On the Culture of Tumips by the Drill and by the 

 Broad-cast Method, shoiving the Superiority of the for- 

 mer. By Charles Lavton, Esq., of Reedham Hall, 

 Norfolk 53 



VH. Description rf the Fire- Escape jnuentcd by Daniel 

 Masf.kes, Esq. Communicated by B. M. ForoTer, 



Esq ^ •• •: •;. -54 



VI 11. On preserving Turnips as Food for Cattle in IP inter. 



By Mr. Jam Hs Dean, of Exeter 59 



IX.' Some ykvonnt of Poly autography ; a Discovery lately 



made of Printing from Stone fiO 



X. Tke Rcqieu'er of Mr. Bonnycastle's Trigonometry 

 in Repli/ to the Observations of Mr. Th(jmas Keith i6l 



XI. A third Series of Experiments on an arifcial Sub tance, 

 which possesses the principal characteristic Properties 

 of Tannin; with some Remarks on Coal. jBy Ciiarlf.s 

 Hatch ETT, Esq. F. R. S C4 



XII. Rrpnrt of Surgical Cases in the City Dispensary, 

 Grocers- HaU-Qjurt, Poultry, from the \sf of October to 

 the 31 si of Drcembu- ISOO: wlih Observations on a Case 



Vol. 27. No; 108. PfJay 1807- a -2 ty 



