. 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, Lightning (Ship); Ocean; Marine animals; Deep-sea temperature; Deep-sea desposits; Porcupine (Ship). 466 THE BEl'TUS OF THE SEA. [chap. ix. a Fusus from 1,207 fathoms was similarly provided. The presence of organs of sight at these great depths leaves little room to doubt that light must reach even these abysses from some
. 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, Lightning (Ship); Ocean; Marine animals; Deep-sea temperature; Deep-sea desposits; Porcupine (Ship). 466 THE BEl'TUS OF THE SEA. [chap. ix. a Fusus from 1,207 fathoms was similarly provided. The presence of organs of sight at these great depths leaves little room to doubt that light must reach even these abysses from some source. Frorn many con- siderations it can scarcely be sun-light. I have already thrown out the suggestion that the whole of the light beyond a certain depth might be due to phosphorescence, which is certainly very general, particularly among the larva? and young of deep- sea animals; but the question is one of extreme interest and difficulty, and will require careful in- BORDO, KUNO, AND EALSU, FROM J HE HAMLET OF 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 ; New York : Macmillan and co.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectmar, booksubjectocean
