Budding, in Trichosphaerium, [54];

in Rhizopoda, [56];

in Acanthocystis, [73];

in Acantharia, [86] n.;

in Spirochona, [147];

in Suctoria, [160], [162];

in Sponges, [177] f., [228], [229], [230];

in Hydrozoa, [250] f., [263], [275];

in Medusae, [270], [296];

in Scyphistoma, [317];