Billard, A. (1926). Rapport sur les hydroïdes. In: Cambridge Expedition to the Suez Canal, 1924 (with appendix to the report on hydroids by H. Munro Fox and an addendum). Trans. Zool. Soc. London. 22: 85-104.
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Billard, A.
1926
Rapport sur les hydro�des. In: Cambridge Expedition to the Suez Canal, 1924 (with appendix to the report on hydroids by H. Munro Fox and an addendum)