TABLE OF CONTENTS 



TO THIS TWENTY-SEVENTH VOLUME. 



SEPTEMBER, 1810. 



Engravings of the following Subjects: 1. Figures illustrating the Growth of 

 Seeds, in those of the Peach, Chesnut, Grass, and Palms, delineated after 

 Nature in various Periods of their Evolution : By Mrs. A. Ibbetson. 



I. On the Structure and Growth of Seeds. In a Letter from Mrs. A^nes 

 Ibbetson ,----- 1 



II. On the Ratio the spontaneous Evaporation of Water bears to Heat : by 

 Honore Flaugergues - - - - 17 



ni. Method of ascertaining the Value of Growing Timber Trees at different 

 and distailt Periods of Time: By Mr. diaries Waistell of High Holborn 24- 



IV. Observations on Potash and Soda prepared with Alcohol : by Mr. d'Arcet 



31 



V. The Bakerian Lecture for 180P. On some new Electrochemical Researches 

 on various Objects, particularly the Metallic Bodies from the Alkalis and 

 Earths, and on some Combinations of Hidrogen. By Humphry Davy, Esq. 

 Sec. R. S. F. R. S. F. M. R. I. A. - - - 38 



VI. Times of Migration of some of the Swallow Tribe, &c., near liOndon. 

 Jn a Letter from Thomas Forster, Esq. - - - 55 



VH. The Croonian Lecture. On the Functions of the Heart and Arteries. 

 By Thomas Young, M. D. For. Sec. R. S. - - 56 



VI r I. Letter from Dr. William Roxburgh, of Calcutta, to Dr. C. Taylor, 

 Secretary to the Society of Arts, &c., on various Natural Proiluctions of the 

 East Indies - - _ . . q^ 



IX. Cultivation of Poppies with Carrots - - . 70 



X. Method of preserving and keeping in Vigour Fruit-trees planted in Orchards 

 or I-'itlds --.«-- 77 



Scientific News . . - - . 73 



Meteorological Table •-•'.'. 80 



OCTOBER, 



