eyes, [272];

regeneration, [283]

Dasydetes, [232], [235]

Davaine, on Nematoda, [140], [145]

Davainea, [91];

D. friedbergeri, [84];

D. madagascariensis, [80], [84];

D. proglottina, life-history, [84]

Davenport, on Urnatella, [491]

Davis, on Rotifers, [227]