Discovery reports (1929) Discovery reports discoveryreports21931inst Year: 1929 1928-9 •« • 1929-30 r 5 10 20 25 NUMBER OF CORPORA LUTEA 35 -f- 40 —I— 45 -t- 30 -I— 55 Fig. 4. Fin whales, females: Frequency of numbers of corpora lutea for six seasons at South Georgia.

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