The constitution and development of the society of termites : observations on their habits; with appendices on the parasitic Protozoa of Termitidae, and on the Embiidae / by B. Grassi in collaboration with A. Sandias. On Ctenoplana / by Arthur Willey. An attempt to deduce the vertebrate eyes from the skin / by H.M. Bernard. The reproduction and metamorphosis of the common eel (Anguilla vulgaris) / by G.B. Grassi.
