of Gordiidae, [165];

of Chaetognatha, [187];

of Rotifers, etc., [206], [233], [237];

of Nereis, [247], [249] f.;

of Polyzoa, [469], [470], [472], [499], [500]—see also Body-wall

Musculo-glandular organ, in Triclads, [39], [40]

Myrianida, [280], [308];

gemmiparity, [279], [280];

markings, [293]

Myrianites, [302]