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Manual of Conchology; Structural and Systematic. with Illustrations of the Species Volume 14 (Paperback) Loot Price: R282
Discovery Miles 2 820
Manual of Conchology; Structural and Systematic. with Illustrations of the Species Volume 14 (Paperback): George Washington...
Manual of Conchology; Structural and Systematic. with Illustrations of the Species Volume 14 (Paperback): George Washington...

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Manual of Conchology; Structural and Systematic. with Illustrations of the Species Volume 14 (Paperback)

George Washington Tryon

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Loot Price R282 Discovery Miles 2 820

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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. 1892 edition. Excerpt: ...radiately striated, the end valves similarly sculptured. The entire surface is microscopically granulated in quincunx pattern.. Inside having 13 slits in the anterior, 1 in the central, 17 in the posterior valve; teeth pectinated, eaves small; sinus wide, flat, with 12-16 teeth. Girdle olive-brown, in all the varieties of valve-coloring; scales solid, rounded, regularly imbricating, and small for the size of the shell. Length 82, width 38 mill.; divergence 98. Distinguished by its comparative smoothness, unusually elongated form, and highly ridged back. Shell oval or oblong, elevated, the dorsal ridge angular, sideslopes nearly straight. Vhitish or olive, very closely and regularly striped with brown or lead-colored lines which are concentric on the end valves and lateral areas and converge forward on the central areas; often blotched on some or all of the valves with lead-brown The lateral areas are separated from the central areas by an oblique curved ridge, but scarcely raised; sculptured with 6 or 7 low radiating riblets, somewhat decussated by longitudinal subobsolete riblets. The central areas are sculptured with longitudinal riblets finer than those of the lateral areas. End valves having radiating riblets and less distinct concentric line, the umbo of posterior valve near the front margin. Interior pale blue; sinus flat, toothed; anterior valve having 10, central valves 1, posterior valve 13 slits; teeth blunt, pectinated. Girdle clothed with smooth, convex, imbricating scales. Length 53, breadth 34 mill. Length 56, breadth 31 mill. Valparaiso, Chili. This well-known species is of a bronze-olive color, closely lineated with brown or olive. The lines are not distinctly enough shown in the figures. The range of variation in contour...

General

Imprint: Rarebooksclub.com
Country of origin: United States
Release date: September 2013
First published: September 2013
Authors: George Washington Tryon
Dimensions: 246 x 189 x 7mm (L x W x T)
Format: Paperback - Trade
Pages: 134
ISBN-13: 978-1-230-02924-5
Barcode: 9781230029245
Categories: Promotions
Books > Humanities > History
Books > Humanities > History > General
Books > History > General
LSN: 1-230-02924-9

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