Dropsy, ascitic, associated with Leydenia, [91]

Drysdale and Dallinger, on organisms of putrefaction, [44] f., [116] f.

Dual force of dividing cell, [26] f.

Duboscq, Léger and, sexual process in Sarcocystis tenella, [108] n.

Duerden, [261], [369] n., [371], [373], [374], [389], [397] n., [400] n., [403], [405], [406]

Dujardin, on sarcode (= protoplasm), [3];

on Protozoa, [45];

on true nature of Foraminifera, [62] f.;

on Sponges, [167]

Dust, containing cysts of Protozoa, [47];