Williamson, on structure of Foraminifera, [62]
Wilson, on protoplasm, [3] n.;
on syngamy, [34] n.
Wilson, on Sponges, [171], [231]
Woltereck, [302]
Wolters, on reproduction of Monocystis, [96] n.
Woodcock, on association and conjugation in Gregarines, [99] n.;
on Haemoflagellates (= Trypanosomidae), [119] n.
Worms, Earth-, hosts of Monocystis, [95]
Wreath, adoral, peristomial, of cilia or membranellae of Ciliata Trichostomata, [137] f.;