STONE, Witmer, American naturalist: b. Philadelphia, 22 Sept. 1866. He was educated at the University of Pennsylvania, and was assistant curator in charge of the Academy of Natural sciences, Philadelphia. He has published ‘Birds of Eastern Pennsylvania and New Jersey’ (1894); ‘Mammals of New Jersey’ (1908); ‘Birds of New Jersey’ (1909); ‘Flora of Southern New Jersey’ (1912); ‘Birds of Yucatan and Southern Mexico’; ‘The Molting of Birds’, etc.