A. gibbosa, number of arms, [453];
eggs of, [463];
development of, [609], [610] f., [617];
A. wega, [459]
Asterinidae, [455], [458], [463]
Asternata, [554]
Asteroid stage in the development of Ophiuroidea and Echinoidea, [613], [622]
compared with Ophiuroidea, [477] f.;