I. Contributions to the development history of the Mollusca
- 31 December 1875
- journal article
- Published by The Royal Society in Philosophical Transactions of the Royal Society of London
- Vol. 165, 1-48
- https://doi.org/10.1098/rstl.1875.0001
Abstract
In the months of April and May 1871 I obtained a supply of the freshwater bivalve Pisidium pusillum , from a muddy little stream near Jena, in Saxe Weimar. The fact that the development of the eggs of this mollusk takes place within a pair of brood-cavities formed at the root of the inner gill-lamella on each side, enables the observer very readily to obtain embryos in different stages of development.Keywords
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