Ichthyobdellidae, [406]

Ichthyonema, [131], [147], [149], [163]

Ichthyotaenia, [91]

Ichthyotaeninae, [85], [91]

Idmonea, [518], [532]

Iguana, parasites of, [142]

Iijima, on yolk-glands, [38] n.

Illoricata, [223]

Ilyodrilus, [378];

chaeta, [350]