. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. Oceanography. Fig. 384. Deima fastosi/m, Theel. " Michael Sars, Station 48. 1910, tarda, Pontophilus norvegicus, Pagurus pubescens, Calocaris macandrece, Geryon tridens. Worms: Aphrodite aculeata, Lcetmonice ftlicornis, Lumbrinereis fragilis. Brachi- opod ; Waldheimia septata (in large quantities). This list also might easily be extended. We see, therefore, that the fauna in the continental (archibenthal)
. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. Oceanography. Fig. 384. Deima fastosi/m, Theel. " Michael Sars, Station 48. 1910, tarda, Pontophilus norvegicus, Pagurus pubescens, Calocaris macandrece, Geryon tridens. Worms: Aphrodite aculeata, Lcetmonice ftlicornis, Lumbrinereis fragilis. Brachi- opod ; Waldheimia septata (in large quantities). This list also might easily be extended. We see, therefore, that the fauna in the continental (archibenthal) deep - sea area of the Northern At- lantic consists partly of species peculiar to it, and partly of others that regu- larly belong to the con- tinental deep-sea fauna of the Norwegian Sea. Two questions arise: How is the Atlantic archibenthal (and abyssal) fauna distri- buted outside the Nor- wegian Sea? Is there any real resemblance between this fauna v v and its counterpart k \ in the cold area of rWtV I t^e Norwegian Sea? \* There seem to Limits of the be some reasons for *ar^enthal fixing the lower limit of the archi- benthal fauna at about 2000 metres, and the upper limit at about 800 or 1000 metres. The charts of the area south of the ridges published by the Danish " Ingolf " Expedition show that beyond 2000 metres the slope of the bottom becomes less steep downwards to the vast abyssal plain whose upper limit may be put some-. 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 Murray, John, Sir, 1841-1914; Hjort, Johan, 1869-. London Macmillan
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