Description
The 1st comprehensive presentation of the phenomenon of metagenesis, or the alternation of sexual and asexual phases in the reproductive cycle. See Norman no. 2009 and D.S.B. XIIIp. 115-119. This is the 1st German edition published in the same year as the 1st Danish edition. An interesting association copy from the library of the great zoologist von Baer with his bookplate and some handwriting annotations, probably also by von Baer.
