- Wallerius, theory of, [45].
- Wallich, Dr., on Ava fossils, [28].
- ——, on wood in peat near Calcutta, [280].
- Warping, land gained by, [288], [339].
- Water, action of running, [204].
- ——, its power on freezing, 204
- ——, excavating power of, 204
- ——, transporting power of, 204
- ——, sorting power of, [286].
- ——, agency of, in volcanoes, [548].
- Waterhouse, Mr., of British Museum, on provinces of indigenous land quadrupeds, [631].
- Wealden strata, fossils of, [117], 137, [140].
- Webster, Dr., of Nova Scotia, on rain-prints, [202].
- Wells, artesian, [233].
- Wener, Lake, strata near, [527].
- Werner, Professor of Mineralogy at Freyberg, 1775, [46].
- ——, his lecture, [47].
- ——, on granite of the Hartz, [47].
- ——, principal merit of his system, [48].
- ——, technical terms of, [58].
- ——, on transition rocks, [176].
- West Indian land quadrupeds, 634
- West Indies, earthquakes in, [29], 350, [505].
- ——, active volcanoes in, [350].
- Whales stranded, [771].
- Whewell, Rev. Dr., on modern progress of geology, [59].
- ——, on the tides, [332].
- Whirlwinds, violent, during eruption in Sumbawa, [465].
- Whirlwind, dispersion of seeds by, [619].
- Whiston, his theory of the earth, [32].
- White Mountains, landslips in the, [209].
- Whitehurst, theory of, 1778, [45].
- ——, on subsidence at Lisbon, [495].
- Wildenow on diffusion of plants by man, [626].
- ——, on centres of vegetable creation, [703].
- Wilkinson, Sir J. G., on deposits of Nile, [262].
- ——, on sand drift in Egypt, [726].
- Wilson, Prof., on cosmogony of Vedas, [4].
- Winds, trade, [106], [295].
- ——, currents caused by the, [293].
- ——, sand drifted by the, [307], [726].
- Wolf, and dog, distinct species, [585].
- ——, hybrids between the, [601].
- ——, drifted to sea on ice, [640].
- ——, extirpated in Great Britain, [683].
- Wollaston, Dr., on water of Mediterranean, [334].
- Wood, Mr. S., on fossil quadrumana, [144].
- Wood impregnated with salt water when sunk to great depths, [743].
- ——, drift, [90], 268, [640], [743].
- ——, converted into lignite, [759].
- Woodward, theory of, [31], 84, [54], [66].
- Wrecks, number of, annually, [754], [755].
X.
- Xanthus, the Lydian, his theory, [14].
Y.
- Yak, wild ox of Thibet, frozen in ice, [85].
- Yakutzt, frozen soil of, [84].
- Yaou, flood of, [7].
- Yarmouth, estuary silted up at, [307].
- ——, rise of the tide at, [291], [307].
- Yenesei, R., fossils on banks of, [79].
- Yorkshire, bones of mammoth in, [76].
- ——, waste of its coasts, [303].
- Young, Dr., on effects of compression at earth's centre, [536].
Z.
- Zante, earthquakes in island of, 474
- Zealand, New, number of ferns, [116].
- ——, resemblance of plants with ancient carboniferous flora, [116].
- ——, length and breadth of, [116].
- Zeuglodon, eocene cetacea, [145].
- Zoological provinces how formed, [666].
- ——, why not more blended together, [668].
- Zoophytes, their geographical distribution, [651].
- ——, their powers of diffusion, 654
- ——, abundance of, [706].
- ——, which form coral reefs, [776].
- Zuyder Zee, formation, [328].
- ——, great mosses on the site of, [327].