Vision, of Asteroidea, [446];

of Echinoidea, [522]

Vital forces, [12] f.;

processes, [11] f.

Vitreous Foraminifera, [58], [62]

Voluntary muscles of Mammals infested by Sarcosporidiaceae, [108]

Volvocaceae, [110], [111], [125] f.;

literature of, [119]

Volvocidae, [111], [126] f., [127], [129];

theca, [113]