A. purpureum, [338]
Aleurone, [37]
Algae, related to holophytic colonial Flagellata, [109], [130]
Algeria, dourine disease in, [119]
Alicia mirabilis, [382]
Aliciidae, [382]
Alimentary canal, of Asterias rubens, [438];
of Ophiothrix fragilis, [485];
of Echinus esculentus, [516];
of Echinarachnius parma, [546] f.;