CONTENTS. 



Lynn's new Methods of folding the Longitude. By E. Rid- 

 dle, Esq 280 



Chemical Researches on Starch, and the different amylaceous 

 Substances of Commerce. By M. J. B. Caventou 283, 360 



On the Grounds for adopting the Ellipticity. of the Earth de- 

 duced by Captain Sabine from his Experiments with the 

 Pendulum in his Work lately published. By James Ivory, 

 Esq. M.A. F.R.S 321 



Decas septima novarum Plantarum Succulentarum ; a seventh 

 Decade of New Succulent Plants. By A. H. Haworth, 

 Esq. F.L.S. fyc 326 



On the Use of the Blister er. By Sir Anthony Carlisle, Knt. 

 F.R.S. S^c 332 



Properties ^Pascal's Hexagramme Mystique. By T. S. Da- 

 vies, Esq. of Bath 333 



An Account of a new Catalogue of Stars, recently published by 

 the Astronomical Society of London 339 



Additional Experiments and Observations on the Strength of 

 Timber. By B. Be van, Esq 343 



On the Existence of a Limit to Vaporization. By M. Faraday, 

 F.R.S. Corresponding Member of the Royal Academy of Sci- 

 ences at Paris, fyc. fyc 344 



Short Abstract of M. de Freycinet's Experiments for deter- 

 mining the Length of the Pendulum. By James Ivory, Esq. 

 M.A.F.R.S 350 



On the mutual Action of Sulphuric Acid and Alcohol , with Ob- 

 servations on the Composition and Properties of the resulting 

 Compound. By Mr. Henry Hennell, Chemical Operator 

 at Apothecaries' Hall 354 



On the Diamond Mines of Southern India. By H. W. Voy- 

 sey, Esq 370 



Notices respecting New Books . . . 55,147,219,293,377 



Proceedings of Learned Societies . 56, 148, 220, 290, 379 



Intelligence and Miscellaneous Articles 68, 152, 227, 301, 386 



List of New Patents 74, 236, 314, 390 



Meteorological Observations and Tables 77, 157, 237, 316, 391 



PLATES. 



