II. Note on the later stages in the development of Balanoglossus Kowalevskii (Agassiz), and on the affinities of the enteropneusta
- 31 December 1885
- journal article
- Published by The Royal Society in Proceedings of the Royal Society of London
- Vol. 38 (235-238) , 23-30
- https://doi.org/10.1098/rspl.1884.0058