. OCT. NOV. MAY T r JUNE JULY AUG. SEPT. -Â« SOUTH AFRICA OCT â>â Fig. 105. Male Fin whales. Monthly average thickness of blubber. (Separate curves for 1925-6 and 1926-7 seasons.) Whales more than 20-0 ni. long. Whales less than i8-o m. long.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectocean, booksubjectsci