of Sphaerechinus, [539];

of Strongylocentrotus, [539];

of Echinarachnius parma, [544]

Amines, [15]

Ammodiscus, [59]

Amnion, [613]

Amniotic cavity, [613]

Amoeba, [4] f.;

reactions of, [7] f.;

devouring