. The depths of the sea; an account of the general results of the dredging cruises of SS. 'Porcupine' and 'Lightning' during the summers of 1868, 1869 and 1870, under the scientific direction of Dr. Carpenter, J. Gwyn Jeffreys, and Dr. Wyville Thomson. Porcupine (Ship); Lightning (Ship); Ocean; Marine animals; Deep-sea temperature; Marine sediments. 122 THE DEPTHS OF THE SEA. [chap. hi. arcticm, Sars, was met with sparingly in some of the deeper dredgings. The known northern species of Archaster were abundant and of large size ; A. parellii, D. and K., passing into comparatively shal- low
. The depths of the sea; an account of the general results of the dredging cruises of SS. 'Porcupine' and 'Lightning' during the summers of 1868, 1869 and 1870, under the scientific direction of Dr. Carpenter, J. Gwyn Jeffreys, and Dr. Wyville Thomson. Porcupine (Ship); Lightning (Ship); Ocean; Marine animals; Deep-sea temperature; Marine sediments. 122 THE DEPTHS OF THE SEA. [chap. hi. arcticm, Sars, was met with sparingly in some of the deeper dredgings. The known northern species of Archaster were abundant and of large size ; A. parellii, D. and K., passing into comparatively shal- low water; and A. andromeda abundant at greater Fjo. 17.—.4rc7ias<e)-&i/ro?is, Wwille Thomson. Dorsal aspect. Three-fourths of the natural size. (No. 57.) At Stations 57 and 58, and at various others in the cold area, we took many specimens of a fine Archaster (Fig. 17) with a double row of large square marginal plates giving the edges a thickened square-cut appearance like those of Ctenodiscus;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Thomson, C. Wyville (Charles Wyville), Sir, 1830-1882; Carpenter, William Benjamin, 1813-1885; Jeffreys, John Gwyn, 1809-1885. London, Macmillan and co.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectmar, booksubjectocean
