Monozoa, [91]
Montgomery, on Stichostemma eilhardii, [118]
Monura, [225]
Morren, on Earthworms, [347]
Moseley, on Land Planarians, [7], [35] n., [37];
on Pelagonemertes, [101], [114]
Movements, in Rotifers, etc., [206], [235]
Moxon, on Rotifers, [198]