of Antedon rosacea, [583];
outer, of A. rosacea, [585]
Nervous fibrils in Ciliata, [143]
Nervous system, in Animals, not in Plants, [39] f.;
of Asterias rubens, [444] f.;
of Ophiothrix fragilis, [488];
of Echinus esculentus, [518] f.;
of Holothuria nigra, [566];
of Antedon rosacea, [583] f.
Neuron, [444]