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A. J. POTTS Amoeba animals Annual APPARATUS FOR NATURE appear aquaria Ashridge Close B.Sc biologist Biology and Kindred birds Blue Tit British Brooklyn Botanic Garden Buddleia butterfly caterpillars century colour coltsfoot cultivated culture Daphnia developed disease E. G. CLARKE eggs Entomologists Euglena Executive Committee experimental experiments feet fish flasks flowers germination hawks House Hydra illus illustrations interesting Kew Gardens large numbers larvae Leaflets lecture liquid Living and preserved London M.Sc Mangrove material micro micro-organisms Microscopes mill moult mounting wild Natural History Nature Study Union nest boxes observation organisms Oxford ragwort pabulum Pasteur pigeon pond present pupa pupation R. F. Shove roots sails School Nature Study scientific seedlings seeds Senecio Senecio squalidus Setting Insects Silkworms Small Tortoiseshell Society species subscriptions swamps teachers Thomas Henry Huxley Tiger tion trees vegetable windmills wings Wyss young Zoological