Waterhouse, Mr., on Australian marsupials, [116].
——, on greatly developed parts being variable, [150].
——, on the cells of bees, [225].
——, on general affinities, [429].
Water-ouzel, [185].
Watson, Mr. H. C, on range of varieties of British plants, [58].
——, on acclimatisation, [140].
——, on flora of Azores, [363].
——, on Alpine plants, [368], [376].
——, on rarity of intermediate varieties, [176].