Hekaterobranchus, [326]

Heliodrilus, [359], [380]

Heliopora, containing Polydora, [298]

Heller, on human parasites, [139]

Hemichordata, [462]

Hemilepidia, colour of, [292]

Hemistomum, [73]

Hemitubifex, [378]

Henlea, [369]

Hermadion, [299]