TABLE OF CONTENTS 



TO THIS TWENTIETH VOLUME. 



MAY, 1808. 



£ngravin^ of the following Objects: I.Mr. Middleton's Mode of Printing; 

 2. Relistian Tin Mine: 3. Singular Strata in a Calcareous Mountain near 

 Chessy : 4, 5. Ditto in the Department of Doubs. 



I. An Attempt to ascertain the Time when the Potato (Solaniim Tuberosum) 

 was first introduced into the United Kingdom ; with some Account of the Hill 

 Wheat of India. By the Right Hon. Sir Joseph Banks, Bart. K. B. P. R. S. 

 &:c. -..-.. 1 



II. Observations on the Structure of the Stomachs of different Animals, with a 

 View to elucidate the Process of converting Animal and Vegetable Substances 

 into Chyle By Everard Home, Esq. F. R. S. - - 5 



in. Description of a Machine for Printing Paper Hangings. By Mr. John 

 Middleton, of St. Martin's Lane - - - 21 



IV. An Account of the Relistian Tin Mine. By Mr. Joseph Carne ; in a Letter 

 toDaviesGiddy, Esq. M.P. F. R.S. ... 24 



V. 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. Com- 

 municated bj Smithson Tennant, Esq. F. R. S. - - S^5 



VI. An Account of the Measurement of an Arc on the Meridian of the Coast 

 of Coiomande!, and the Length of a Degree deduced therefrom in the Lati^ 

 tude of 12" 32'. By Brigade Major William Lambton - 40 



TTi. An Account of some New Apples, which, with many others that have 

 been long cultivated, were exhibited before the Horticultural Society, the 

 2d of December, 1806. By Mr. Arthur Biggs, F. H. S. - 50 



VIII. On the Cultivation of the PolianthesTuberosa, or Tuberose. By Richanl 

 Antony Salisbury, Esq. F. R. S. &c. - - - 53 



IX. Geolocical Remarks on a Calcareous Mountain near Chessy, in the De- 

 partmenrof the Rhone. By Mr. L. F. Lemaitre, Inspector General of Gun- 

 powder and Saltpetre - - - - - 63 



X. Remarks on a singular Arrangement of Strata observed in the Chain of Jura, 

 in the Department of Doubs. By the same - - 64 



XI- An Inqiiirv into the Causes of the Decay of Wood, and the Means of 

 preventing it. By C. II. Parry, M. D. - - - 6iJ 



Scientific News - - - -^ • 78 



JUN-E, 



