. laLj -) r June Jul 1— 1 r L| Aug" Sept Oct- Nov Fig. 79. Humpback whale. Monthly catches at Natal for seasons 1918-28. Lillie (1915) shows that in New Zealand, at the Bay of Islands, the northern migra- tion takes place in the last half of April, May, and the first half of June. There is a slack period in the whaling from July to September: after the middle of September the south- ward migration takes place, and continues through October and November. He also states that the period July to September, when Humpbacks are absent from New Zea- land waters, used to be the busy time for the w

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. laLj -) r June Jul 1— 1 r L| Aug" Sept Oct- Nov Fig. 79. Humpback whale. Monthly catches at Natal for seasons 1918-28. Lillie (1915) shows that in New Zealand, at the Bay of Islands, the northern migra- tion takes place in the last half of April, May, and the first half of June. There is a slack period in the whaling from July to September: after the middle of September the south- ward migration takes place, and continues through October and November. He also states that the period July to September, when Humpbacks are absent from New Zea- land waters, used to be the busy time for the whalers at Norfolk Island.

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti