CONTENTS. 
XLII. Proceedings of Learned Societies ..  .. 966 
XLIV.: Intelligence and Miscellaneous Articles 276—288 
XLV. Discovery of a new Vegetable Principle in Asparagus 
(Asparagus sativus of Linneus). By M. VauauEtin 
289 
XLVI. Upon the Affinities of Bodies for Light; and par- 
ticularly upon-the refractive Powers of different Gases 292 
XLVII. Memoir. upon living and fossil Elephants. By 
MiP CUvinb ooo OV PASAY Sees TN Dee Nid 1508 
XLVIIT. Description of an Autocratic Cock, useful in 
Breweries, Distilleries, c. By JoserpH STEEVENS, 
EBsgn > (aed > sala FOOL 90, Ba ED a, 
XLIX. Description of Mr. Anruur Wootr’s improved 
Piston for Steam-Engines .. woh IASG 
L. On the Food of Plants. By the Rev. Josrern Towns- 
HEND, Rector of Pewsey, Wilts We 31F 
LI]. Letter from Tuomas Keity, sg. Secretary to the 
Master of His Majesty’s Household, €8c., respecting Mr. 
BonnycastTux’s Treatise on Plane and. Spherical Trigo- 
NOM HY) OE BORIS OE Pe Le ee 
LIT. Ox the Cultivation of the Poppy. By T. Coan, 
MM. Dawid VERO, UTR et Sa. Woial Sed 
LIT. History of Astronomy for the Year 1805. By JE- . 
ROME DE LALANDE’ .. .. ait eine, a PAK 
LIV. Method of ascertaining whether Wines are adulterated 
with Litharge. .By M. Navucur, Physician .. 362 
LV. Proceedings of Learned Societies ..  .. «. 363 
LVI. Intelligence and Miscellaneous Articles ., 373—375 
/ 
