Dale, on chemiotaxy, [22]
Dallinger, W. H., and Drysdale, C., on Protozoa, [44], [45];
on organisms of putrefaction, [44], [116] f.;
on life-histories of Flagellates, [116] f.
Dallingeria, [111], [112], [119];
anchoring flagella of, [114];
D. drysdali, gametes of, [116] n.
Dangeard, on brood-division in active Chlamydomonadidae, [115];
on Flagellata, [119] n.