600 
Thulite and strémite, 169. 
Tides, at Liverpool, 147, 418, 547; re- 
marks on tides, 430. 
Tovey (J.) on the relation between the 
velocity and Jength of a wave of light, 
7, 270, 500. 
Undulatory theory, 7, 24, 113, 204, 247, 
270, 305, 413, 429, 500. 
Valparaiso, effects produced by the 
earthquake of Nov. 1822 at, 159. 
Volcanos, on the chemical theory of, 
250; eruption of Coseguina, 414. 
Voltaic battery, improved, 114; prac- 
tical results of the, 121; voltaic com- 
binations, 421 ; Hare’s voltaic trough, 
116, 119. 
Wagner (R.) on the compound eyes of 
insects, 202. 
Walford (E. B.), subsidiary hypothesis 
to the electro-chemical theory of Sir 
H. Davy, 170. 
Wavellite, 173. 
Webster’s Principles of Hydrostatics, 
and Zheory of the Equilibrium and 
Motion of Fluids, 544. 
Whewell, (tev. W.), notice of his pam- 
phlet “‘ Newton and Flamsteed,” 139; 
reply to the Quarterly Review, 211 ; 
INDEX. 
on the tides in the port of Liverpool . 
4 
147; some observations on the tides, 
430; researches on the tides, 547. 
Whiston, remarks on, 214, 220, 225. 
Wiegmann’s Herpetologia Mewicana, 
410. 
Willis (Rev. Mr.) on the composition of 
me entablature of Grecian buildings, 
30. 
Wohler (F.) on crystallized oxide of 
chromium, 175. 
Woodward (S.) on the crag formation, 
138. 
Woolhouse (W. S. B.) on the theory of 
gradients on railways, 243; on the 
theory of vanishing fractions, 393. 
Yarrell (W.) on a species of pipe-fish, 
347; on an insect destructive to tur- 
nips, 347. 
Young (Prof.) on Mr. Woolhouse’s 
theory of vanishing fractions, 295, 
515; theory and solution of algebraic 
equations, 402. : 
Zinc, its separation from nickel, 80; 
composition of carbonate of, 259; 
plates, amalgamation of, 585. 
Zoological Society, 161, 346. 
END OF THE EIGHTH VOLUME. 
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