on Sporozoa, [94];

on Haemosporidae, [102];

on pigment of Stentor coeruleus, [154] n.;

on Torquatella, [155] n.;

on chlorophyll of Ephydatia, [175];

on Limnocodium, [292]

Lankesterella, [97], [102]

Lankesteria, [97];

L. ascidiae, life-cycle of, [95]

Lantern-coelom of Echinus esculentus, [524];