of Rotifers, [205];

of Nereis, [249];

of Oligochaeta, [349];

of Gephyrea, [414], [436];

of Phoronis, [454];

of Polyzoa, [470], [495], [500]

Bohadsch, on Gephyrea, [411]

Bohemilla, [377];

chaeta, [350]

Bonellein, [435], [292]