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...

Full description

Bibliographic Details
Main Author: Slijper, E.J.
Format: Article in Journal/Newspaper
Language:unknown
Published: 1949
Subjects:
Online Access:http://www.repository.naturalis.nl/record/503926
http://www.repository.naturalis.nl/document/547575