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Page 146 - A General Dictionary of Geography, Descriptive, Physical, Statistical, and Historical ; forming a complete Gazetteer of the World. By A. KEITH JOHNSTON, FRSE 8vo. 31s. 6d. M'Culloch's Dictionary, Geographical, Statistical, and Historical, of the various Countries, Places, and principal Natural Objects in the World.
Page 631 - MITCHELL'S ORNITHOLOGY -THE GENERA Of BIRDS ; comprising their Generic Characters, a Notice of the Habits of each Genus, and an extensive List of Species, referred to their several Genera. By GEORGE ROBERT GRAY, Acad. Imp. Georg. Florent. Soc. Corresp. Senior Assistant of the Zoological Department, British Museum ; and Author of the " List of the Genera of Birds,
Page 161 - The most insignificant insects and reptiles are of much more consequence, and have much more influence in the economy of Nature, than the incurious are aware of; and are mighty in their effect, from their minuteness, which renders them less an object of attention: and from their numbers and fecundity. Earthworms, though in appearance a small and despicable link in the chain of Nature, yet, if lost, would make a lamentable chasm.
Page 610 - SOUND : a Course of Eight Lectures delivered at the Royal Institution of Great Britain. By JOHN TYNDALL, LL.DFRS New Edition, crown 8vo.
Page 401 - The Calculus of Chemical Operations ; ' being a method for the investigation, by means of symbols, of the laws of the distribution of weight in chemical change ; Part I., on the construction of chemical symbols, 'Phil.
Page 127 - I tell you, captain, if you look in the maps of the 'orld, I warrant you shall find, in the comparisons between Macedon and Monmouth, that the situations, look you, is both alike. There is a river in Macedon ; and there is also moreover a river at Monmouth...
Page 289 - ... -0067 in diameter, by its making a powerful electro-magnet, by its decomposing water, and by other tests. The explanation of these effects is as follows : — The electro-magnet always retains a slight residual magnetism, and is therefore in the condition of a weak permanent magnet ; the motion of the armature occasions feeble currents in alternate directions in the coils thereof, which, after being reduced to the same direction, pass into the coil of the electro-magnet in such...
Page 162 - ... worms seem to be the great promoters of vegetation, which would proceed but lamely without them, by boring, perforating, and loosening the soil, and rendering it pervious to rains and the fibres of plants, by drawing straws and stalks of leaves and twigs into it ; and, most of all, by throwing up such infinite numbers of lumps of earth called worm-casts, which, being their excrement, is a fine manure for grain and grass.
Page 633 - SELBY'S COMPLETE BRITISH ORNITHOLOGY. A most magnificent work of the Figures of British Birds, containing exact and faithful representations in their full natural size,¡ of all the known species found in Great Britain, 383 Figures in 228 beautifully coloured Plates.'. 2 vols. elephant folio, elegantly half bound morocco (pub. at 105/.), gilt back and gilt edges, 31/. lu«. 1834' "The grandest work on Ornithology published in this country, the same for British Birds" that Audubon's is for the birds...