Life-history, of Trematodes, [4];

of Polystomatidae (Polystomum, Diplozoon, Gyrodactylus), [58] f.;

of digenetic Trematodes, [63] f.;

table of, [71];

of Cestodes, [5] f., [87];

table of life-histories of Cestodes, [83];

of Dipylidium, [88];

of Dicyemidae, [93];

of Nematoda, [159];

of Gordius, [170];