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10 in the labor above described so that comparatively little work has been possible on the large and valuable collection of cephalopods and other mollusks in alcohol. They have been examined however to determine their safety, and a card catalogue of the collection begun, to be taken up as occasion serves. Though not available for certain sorts of work, the alcoholic specimens afford opportunity for determining with certainty many points of prime importance in classification; as in one case during the past year in the matter of the gills of Neaera (= Cuspidaria) this material enabled the remarkable fact to