This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...in which, like the land slugs, the shell is absent or reduced, are relatives of the land snails. Some of those found on our own shores are handsome creatures, brilliantly coloured. Both groups fall under the division Euthyneura, while the majority of the marine univalves belong to the division ...
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...in which, like the land slugs, the shell is absent or reduced, are relatives of the land snails. Some of those found on our own shores are handsome creatures, brilliantly coloured. Both groups fall under the division Euthyneura, while the majority of the marine univalves belong to the division Streptoneura i.e. Gasteropods with twisted nerves). The Gasteropods, in the course of the evolution of their shell, have had the body thrown crooked by the burden of carrying it; the Streptoneura are the forms in which this crookedness is most pronounced; in the Euthyneura it is less so. There are degrees of crookedness even among the Streptoneura; and the limpet is less crooked than the periwinkle (see Table, p. 30). The older classifications of the Gasteropoda were largely founded on the characters of the shell; but these, though in the main they hold good, have required some modifications in recent times. Conchology, the study of shells, was at one time the hobby of many collectors whose knowledge of the animals possessing the shells was not of a very extensive kind; and consequently the very name of conchology is often enough to ruffle the feelings of the zoologist of the present day. Yet many interesting problems of variation may be studied from shells alone, by those whose circumstances forbid them to study the living animal. Nor is there any branch of zoology which is more useful to the teacher who wishes to catch the eye and the attention of the beginner in the study of natural history, especially if the beginner is young, as beginners ought to be. Therefore we must by no means undervalue the past labours of conchologists, or the valuable collections which their industry has brought together and set in order for the benefit of the world. For...
Good. No dust jacket. 196 p. front., illus. 16 cm. The library of valuable knowledge. Includes 47 Illustrations. From the "Library of Valuable Knowledge" series. Green cloth binding. Spine has been reinforced with tape. Binding tight, pages clean.
Good. No dust jacket. Green cloth over boards with reinforced spine. Edge wear and bumped corners. Staining to edge of text block, pages yellowed. 196 p. : ill.; 16 cm. Library of valuable knowledge. Includes Illustrations. Includes index. 1915 edition.
Very Good- Book From the Library of Valuable Information series; red cloth covers with gilt-decorated spine strip and blind-stamped decoration on the front cover; top edges gilt. Spine strip has moderate age-spotting. Discusses the story of animal life, animal adaptation, animal kingdom classification, protozoa, the coelenterata, sponges, vermes or worms, arthropodia, mollusca, brachiopoda, moss-corals, echinodermata, chordata, vertebrata, and man. With forty-seven illustrations.
Good. Good+ hardcover, no DJ. Half-leather with green cloth. Part of the Library of Valuable Knowledge series. Ex-library copy with usual markings. Text is clean and unmarked. Binding is tight, Hinges strong. Covers show light edge wear.; 100% Satisfaction Guaranteed! Ships same or next business day!
Fair. No dust jacket. 1902. 208 pages. No dust jacket. Blue pictorial cloth boards with gilt lettering. Front endpaper has been removed. Good clean pages with bright copy and firm binding. Light foxing and tanning to endpapers and page edges. Boards are mildly rub worn, with some light shelf wear to spine, edges and corners, corners are bumped. Slight crushing to spine ends. Tanning to spine and edges. Water marks to edges and spine. World of Rare Books Item ref. 1504782878ANM (Use this ID when enquiring about this item. )
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