On some phenomena concerning pregnancy and parturition of the Cetacea
1. A review is given of some phenomena concerning pregnancy and parturition of the Cetacea, depending on data in literature and on observations made in Antarctic Blue and Fin Whales on board the f.f. “Willem Barendsz” (1946—1947). 2. In Mystacoceti the frequency of twins appears to be less than in m...
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Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
1949
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Online Access: | http://www.repository.naturalis.nl/record/503926 http://www.repository.naturalis.nl/document/547575 |