. 1930-1 â ---Cape Fig. 81. Humpback whale. Males. Length fre- quencies in the catches at South Georgia and South Africa. B 10 12 14 "fbtal Length in metre5 5 Africa: Natal SaldanhaBaL|.l9ZB 1925-5 to 1930-1 Cape Province 1920-5 Fig. 82. Humpback whale. Females. Length fre- quencies in the catches at South Georgia and South Africa. position of the whale populations is very different in the two places. The graphs are bimodal for females in both places, and for males in Natal, but unimodal for males at South Georgia and Cape Province. I


. 1930-1 â ---Cape Fig. 81. Humpback whale. Males. Length fre- quencies in the catches at South Georgia and South Africa. B 10 12 14 "fbtal Length in metre5 5 Africa: Natal SaldanhaBaL|.l9ZB 1925-5 to 1930-1 Cape Province 1920-5 Fig. 82. Humpback whale. Females. Length fre- quencies in the catches at South Georgia and South Africa. position of the whale populations is very different in the two places. The graphs are bimodal for females in both places, and for males in Natal, but unimodal for males at South Georgia and Cape Province. In the bimodal curves the first peaks represent


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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti