of Echinarachnius parma, [544];
of Echinocardium cordatum, [550]
Gemmule, [177], [178], [179], [230]
Generation, spontaneous, [42] f.
Generations, alternation of, [44], [250]
Genital base of Holothuria nigra, [567]
Genital bursa, of Ophiothrix fragilis, [485]
compared with hydrospires of Blastoidea, [600]
Genital canal of Antedon rosacea, [586]
Genital organs (including ducts), of Asterias rubens, [451] f.;