excretory system of, [108]
Malacocotylea (= Digenea), [73]
Maldanidae (= Clymenidae), [258], [332];
shields, [259];
anal funnel, [259];
colour, [293]
Male, of Rotifers, [199], [200], [217], [223] n.;
of Echiuroids, [438]
Malleate, [210]
excretory system of, [108]
Malacocotylea (= Digenea), [73]
Maldanidae (= Clymenidae), [258], [332];
shields, [259];
anal funnel, [259];
colour, [293]
Male, of Rotifers, [199], [200], [217], [223] n.;
of Echiuroids, [438]
Malleate, [210]