WE regret to announce the death in London on May 6 of DR. J. HAMILTON FULLARTON, so long associated with scientific fishery research in Scotland. Dr. Fullarton was born at Brodick, Arran, In 1856. He had a distinguished career as a student at GlasgowUniversity, taking many prizes and bursaries, and graduated M.A., with the highest honours in natural science, in 1881, and D.Sc. ten years later.After acting for some years as assistant to the professor of natural history in his alma mater, Dr. Fullarton entered the service of the Fishery Board for Scotland as a naturalist on the scientific staff in 1889, a post which he held for eight years.On quitting the Fishery Board service, Dr. Fullarton studied medicine with a view to a medical career,. and re- I ceived the qualifications of L.R.C.P. and L.R.C.S.(Edin.).Afterservingforashort period as medical officeron an Atlantic liner,he ettled in London as a consultant, andgraduallybuilt up a considerable practice.Prior to this,on the initiation of the international fishery investigations, Dr. Fullarton re-entered the service of the Fishery Board, and did valuable work for a year in the supervision of the scientific investigations on board the research steamer Goldseeker. It is as an expert on fisheries that he will be chiefly remembered in scientific circles.He devoted himself in particular to the study of shellfish, such as the common edible mussel, the oyster, the cockle, and the “clam,” and wrote numerous papers on their cultivation and natural history. In connection with this branch of his fishery work Dr. Fullarton on more than one occasion visited the districts in France and Holland where oyster-culture and mussel-culture are principally carried on.He also made a useful series of researches on the breeding and development of the European lobster.