method of teaching anatomy,28,29;opposition to, 34;personality,22,27,30;physiognomy,30;portrait,29;predecessors of,26;especial service of,37;sketches from his works,31,33,34,49Vicq d'Azyr,146;portrait,147Vinci, Leonardo da, and fossils,322Virchow, and germinal continuity,225;in histology,174;portrait,174Vries, Hugo de, his mutation theory,403;portrait,403;summary of theory,406WWallace, and Darwin,420;his account of the conditions under which his theory originated,427;portrait,428;writings,427Weismann, the man,399;quotation from autobiography,401;personal qualities,399;portrait,400;his theory of the germ-plasm,392-399;summary of his theory,405Whitney collection of fossil horses,355Willoughby, his connection with Ray,115Wolff, on cells,240;his best work,211;and epigenesis,205;and Haller,211,214;opposed by Bonnet and Haller,211;his period in embryology,205-214;personality,214;plate from his Theory of Generation,210;the Theoria Generationis,210Wyman, Jeffries, on spontaneous generation,289ZZittel, in palæontology,338;portrait,339