INDEX. 
V. 
Vegttahles,\\\t\x colour whence, p. 36. Their impregna- 
tion, remarks thereupon, and a defcription of the pollen, 
feed-veffels, &c. of feveral claffes, &c. p. 261. 
VenuSy the tranfic of that planet which will be in 1769, 
propofals for the more advantageous obferving of it, 
p. 326. Effedt of parallaxes, 332. At what places 
the obfervation might beft be made, 333. 
Vienna, aftronomical obfervations made there, p. 130. 
Waring, Profeflbr, two theorems of his, p. 143. . 
Water, the quantity and weight of it in a cylindrical pipe 
of any given diameter, afeertained, p. 68. How eva- 
porated, 146. Boiling water, the bubbles on it 
whence, 175. 
Weight, troy, reduced to avoirdupoife, and vice 'verfa, 
p. 66. . ■ ‘ 
Wilkinfon, Dr. his courfe of experiments to afeertain the 
fpccific buoyancy -of cork in different waters, p. P5. 
Wood-Mufde, I'ee Pholas Condides. • ^ 
Woolcombe, Mr. furgeon at Plymouth Dock, his cafe of a 
locked jaw, p. 85. 
W. 
The End of the Fifty-fifth Volume- 
L 
