Brittle Star—see Ophiuroidea

Brood-cavity, in Suctoria, [160] f., [162]

Brood-cell, [31]

Brood-cyst, of Proteomyxa, [88] f.

Brood-division, brood-formation, [30] f.;

in Rhizopoda, [56] f.;

in Foraminifera, [67] f.;

in Radiolaria, [85] f.;

in Proteomyxa, [49], [88] f.;

in Sporozoa, [48], [94] f.;