of Echinus esculentus, [517];

of Echinarachnius parma, [547];

of Holothuria nigra, [560];

of Pelagothuria, [572];

of Cystoidea, [580], [597];

of Carpoidea, [580];

of Thecoidea, [580];

of Crinoidea, [580];

of Blastoidea, [580], [599];

of Antedon rosacea, [583];