Archive image from page 395 of The depths of the sea. 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, depthsofseaaccou00tho Year: 1873 328 THE DEPTHS OF THE SEA. [chap, vi r. fathoms, that was the temperature of the whole mass of water 'beneath, down to the greatest depth explored.' The temperature at 100 fathoms varies very little from 13 C. (555° Fahrenheit), and the M


Archive image from page 395 of The depths of the sea. 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, depthsofseaaccou00tho Year: 1873 328 THE DEPTHS OF THE SEA. [chap, vi r. fathoms, that was the temperature of the whole mass of water 'beneath, down to the greatest depth explored.' The temperature at 100 fathoms varies very little from 13 C. (555° Fahrenheit), and the Mediterranean attains in many places a depth of up- wards of 1,500 fathoms, so that here we have the strange phenomenon of an underlying mass of water, 1,400 fathoms deep, of a uniform moderate tempera- ture ; a state of things singularly different from that which ohtains at like depths in the Atlantic. Dr. Carpenter's ingenious speculations as to the cause of this difference will he considered later. ~'«Ji5&


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