Trichocysts, [142] f.;
of Chloromonadaceae, [113] n.;
Mitrophanow on, [142] n.;
adoral, of Gymnostomaceae, [145]
Trichodragmata (a sheaf of straight spicules of hair-like fineness), [222]
Trichogorgia, [355]
conjugation, [116] n.;
T. vaginalis, [119]