Hensel, [593] n.

Hephthocara, [712], [713]

Heptanchus, [443];

branchial clefts, [277];

H. cinereus, [443];

skull, [222]

Heptapterus, [588]

Herdman, [38], [108] n., [109] n.

Hermaphrodite Fishes, [420]

Hermaphroditism, [420]