The depths of the sea; an account of the general results of the dredging cruises of the H. M. SS. "Porcupine" and "Lightning" during the summers of 1868, 1869 and 1870, under the scientific direction of Dr. Carpenter
The depths of the sea; an account of the general results of the dredging cruises of the H. M. SS. "Porcupine" and "Lightning" during the summers of 1868, 1869 and 1870, under the scientific direction of Dr. Carpenter