II.—On the Spongia coriacea of Montagu,=Leucosolenia coriacea, Bk., together with a new variety of Leucosolenia lacunosa, Bk., elucidating the spicular structure of some of the fossil Calcispongiæ; followed by illustrations of the pin-like spicules on Ver

Published in Annals And Magazine of Natural History, in 1884, in volume 14, pages 17-29

Date published:1884