. 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). 108 THE DEPTHS OF THE SEA. [chap. hi. Thorshavn about noon, steaming east by south, so as to cross the deep channel between F&roe and Shetland. Our first two stations were on the Freroe plateau, at depths a little over
. 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). 108 THE DEPTHS OF THE SEA. [chap. hi. Thorshavn about noon, steaming east by south, so as to cross the deep channel between F&roe and Shetland. Our first two stations were on the Freroe plateau, at depths a little over a hundred fathoms, but the third sounding, taken in the evening of the 24th at a depth of 317 fathoms, gave a bottom temperature of — 0o-9 C.; we were therefore once more in the cold current. Having kept the same course under easy steam during the night, we took a sounding next morning, lat. 01° 21' N., long. 3° 14' W., at a depth of 010 fathoms, with a bottom temperature of — 1°1 C. A haul of the dredge brought up rolled pebbles and. Fig. VI.—Pourtafosia jeffreysi,Wyville Thomson. Slightly (No. 04 ) fine gravel with few animal forms, but among them one of extraordinary interest, a large specimen of a fine species of the genus Pour!alexia, a heart-urchin, one of whose congeners had been discovered by M. de Pourtales in the gulf-stream explorations off the American coast, and a second by Mr. Gwyn Jeffreys near Rockall. The present example (Fig. 12) was much larger than either of those previously dredged, and it appeared to be specifically distinct. 1 I have the pleasure of dedicating this interesting species to our accomplished colleague, -1. Gwyn Jeffreys, 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 Ben
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectmar, booksubjectocean
