Since no undoubted fossil remains of this group of hydroids have been previously recorded, with the exception of possible forms indicated by Ruedemann but placed by him with the Graptolites, it is thought that a few brief notes on a recent discovery in Victoria may be acceptable to readers of this Magazine. A description of the fossils by one of us (F. C.) will appear in the Proc. Roy. Soc. Victoria, while a description of the stratigraphy of the area will be given by the other author (E. W. S.)