Archive image from page 260 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 depthsofseaaccou02thom Year: 1874 CHAP, v.] BEEP-SEA SOUNDING. 213 tions were soon made. Commander Dayman made Fig. :«.—Brooke's Ducv-SfU f<<.uiiiliiiy Aii|'.iKitiii several improvements for tlie soundins voyage of

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