. 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. PELAGIC ANIMAL LIFE 57i (boreal), viz. Aglantha digitalis (see Fig. 399), which sometimes plays an important part in the pelagic life of the Norwegian Sea ; in the North Sea Hensen fell in with a shoal of these medusae which he estimated at 23J billions of individuals. As mentioned by Haeckel, it is character- istic of this form that it suddenly appears in enormous quantities for some days and th
. 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. PELAGIC ANIMAL LIFE 57i (boreal), viz. Aglantha digitalis (see Fig. 399), which sometimes plays an important part in the pelagic life of the Norwegian Sea ; in the North Sea Hensen fell in with a shoal of these medusae which he estimated at 23J billions of individuals. As mentioned by Haeckel, it is character- istic of this form that it suddenly appears in enormous quantities for some days and then suddenly disappears for some months. As rare visitors in the north may be mentioned, Pantachogon haeckelii, Pectyllis arctica, and Crossota Other species are strictly limited to the warm zone of the ocean, which may be said to. 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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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1912
