Observations sur le Cidaris pseudopistillum Cott. Brissopneustes Aturensis.
1898. Reprint: Actes Soc. Linn. Bordeaux T. LIII; pp. 3-19, 1 plt. h.t. Comes with other short paper by the same author on echinoids. Orig wrps. top of spinea bit worn, contents uncut.