ABSTRACT
In 1834 and 1837 Professor Owen published in the ‘Philosophical Transactions’ and the ‘Proceedings of the Zoological Society’ descriptions of the fœtal membrane of the kangaroo. Quite recently his observations have been confirmed by Professor Chapman,1 of Philadelphia. They are given in full in the ‘Comparative Anatomy of the Vertebrates,’ and are to be found, in abstract, in Balfour’s ‘Comparative Embryology,’ vol. ii. It is surprising that no additions have been made to our knowledge of these forms during the long period intervening between Owen’s observation and the present time, even when one is aware of the extreme difficulty of obtaining females during the period of gestation.
Copyright © 1883 by the Company of Biologists Ltd.
1883
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