Gyrinidae, [201], [215]

Gyrinus, [215]

Haase, on mimicry, [339] n.

Hadrus lepidotus, [482]

Haematobia serrata, [512]

Haematomyzus elephantis, [600]

Haematopota, [482];

H. pluvialis, [483], [443]

Haemoglobin, [468]

Haemonia, [280];