620 
INDEX. 
Table of observations of the dip, in a voyage from England to Australia, 147. 
of observations of the intensity, in a voyage from England to Australia, 150. 
of diameters of primitive fasciculi of voluntary muscle, 460. 
of measurements of ova of the Rabbit, 567. 
Tables of the results of experiments on the strength of pillars of cast iron, wrought iron, steel 
and timber, 431 — 453. 
Telescope {reflecting), an account of experiments on the, 503 ; method of forming a large spe- 
culum of several castings, 505 ; process of casting, 509 ; processes of grinding and polishing 
514; performance of one three feet in diameter, 525. 
Terrestrial magnetism, contributions to, 129. § 1. Lines of inclination and intensity in the Atlantic 
Ocean, 129. § 2. Lines of intensity between the Cape of Good Hope and Australia, 140. 
Tides, additional note to the eleventh series of researches on the, 161. 
table of, at Petropaulofsk, 169; at Port de Lloyd, 172 ; at Port de la Coquille, 173; at 
Sitkhoe, 174. 
researches on the. Twelfth series : On the laws of the rise and fall of the sea’s surface 
during each tide, 255. 
Timber, strength of pillars of, 421, 424; crushing strength, 429 ; table of results of experiments 
on the strength of pillars, 453. 
Treuter (Dr.). Letters of, to Thomas Maclear, Esq., on the fall of the Cold Bokkeveld me- 
teorolite, 181. 
Tunica granulosa, changes in the, immediately after fecundation, 536. 
U. 
Uterus, ova found in the, of the Rabbit, 565. 
V. 
Vegetable colours , effect of the spectrum on certain, 33. 
Voltaic battery. An account of experiments made with the view of ascertaining the possibility of 
obtaining a spark before the circuit is completed, 183. 
Voltaic circles, inactive conducting, 69 ; active and inactive, 84 — 90 ; differences in the order of 
the metallic elements of, 112; active, without metallic contact, 114. 
Voltaic electricity, contact theory of, 62 ; chemical theory of, 64 ; chemical and contact theories 
of, compared, 77. 
I oltaic pile, on the source of power in the, 61, 93. 
W. 
Whewell (The Rev. William). Additional note to the eleventh series of researches on the 
tides, 161. 
. Researches on the tides. Twelfth series : On the rise and fall 
of the sea’s surface during each tide, 255. 
Wickham (Commander, R.N.). Table of observations by, of the dip, in a voyage from England to 
Australia, 147 ; of the intensity, 150. 
LONDON: 
PRINTED BY RICHARD AND JOHN E. TAYLOR, 
RED I.ION COURT, FLEET STREET. 
