| W. T. Ca. | William Thomas Calman, D.Sc., F.Z.S.- Assistant in charge of Crustacea, Natural History Museum, South Kensington. Author of “Crustacea” in Lankester’s Treatise on Zoology.
|  | Barnacle. |
| W. T. T.-D. | Sir William Turner Thiselton-Dyer, F.R.S., K.C.M.G., C.I.E., D.Sc. LL.D., Ph.D., F.L.S.- Hon. Student of Christ Church, Oxford. Director, Royal Botanic Gardens, Kew, 1885–1905. Botanical Adviser to Secretary of State for Colonies, 1902–1906. Joint-author of Flora of Middlesex. Editor of Flora Capenses and Flora of Tropical Africa.
|  | Bentham, George. |
| W. W. | William Wallace, M.A.- See the biographical article: Wallace, William (1844–1897).
|  | Averroes; Avicenna. |
| W. We. | Rev. Wentworth Webster (d. 1906).- Author of Basque Legends; &c.
|  | Basque Provinces; Basques. |
| W. Wr. | Williston Walker, Ph.D., D.D.- Professor of Church History, Yale University. Author of History of the Congregational Churches in the United States; The Reformation; John Calvin; &c.
|  | Bacon, Leonard. |
| W. R. S. | W. Robertson Smith, LL.D.- See the biographical article: Smith, William Robertson.
|  | Baal. |
| W. W. R.* | William Walker Rockwell, Lic.Theol.- Assistant Professor of Church History, Union Theological Seminary, New York. Author of Die Doppelehe des Landgrafen Philipp von Hessen.
|  | Benedict XI., XII., XIII., XIV. |