of Nereis, [249];
of Oligochaeta, [349];
of Leeches, [396];
of Gephyrea, [414];
of Phoronis, [454]—see also Hypodermis
Epigamous, phase, of Nereis, [277] n.;
worms, [281]
Epistome, in Phoronis, [453], [455];
in Phylactolaemata, [476], [476], [499];
in larva of Loxosoma, [509]