. Thalassa; an essay on the depth, temperature, and currents of the ocean. >-< O 6 Q Z< _]o HO < Z< CO 0 2 CC oo < - 1 o DC r < ot 2 Z ? -1 2 111 o D - QC uj UJ m ui r O 09 U) ~ Q. oooooooooooooooogo From Cape of Good Hope to Melbourne. 91 Challenger left her anchorage in Simons Bay , the 17th December, 1873. Between 10 and , she traversed a current of cold water with a surface-temperature of 130 C, or 50 below the temperature recorded at4 At noon the thermometer had again risen to i8°.3 C,and at 3 to ic/.2 C. After sailing at midnight on


. Thalassa; an essay on the depth, temperature, and currents of the ocean. >-< O 6 Q Z< _]o HO < Z< CO 0 2 CC oo < - 1 o DC r < ot 2 Z ? -1 2 111 o D - QC uj UJ m ui r O 09 U) ~ Q. oooooooooooooooogo From Cape of Good Hope to Melbourne. 91 Challenger left her anchorage in Simons Bay , the 17th December, 1873. Between 10 and , she traversed a current of cold water with a surface-temperature of 130 C, or 50 below the temperature recorded at4 At noon the thermometer had again risen to i8°.3 C,and at 3 to ic/.2 C. After sailing at midnight on thefollowing day through a second streak of cold water, the shipcrossed the northern limit of the Agulhas Current between1 and 2 of the 19th December, at which time the surface-temperature was observed to rise to 2 2°.2 C. Towards noon ofthe same day, and at Station 143, distant about 150 nauticalmiles from the Cape, the thermometer recorded the maximumof C. It next fell to 2 2°.2 C, and, with the exceptionof a cold streak of C. observed in the course of the20th December, remained stationary until 2 on the 21st,between which hour and it fell from 2 2°.2 C. to


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Keywords: ., bookauthorwild, bookcentury1800, bookdecade1870, booksubjectocean