Hutton, Somerset, [811], [866].
Hyæna, fossil, [793], [808], [811].
Hybodus medius, [591].
------- raricostatus, [591].
------- subcarinatus, [578], [580].
Hydra, common fresh-water, [252], [253].
Hydroida, [254].
Hylæosaurus Owenii, [658], [688].
Hymenocaris, [526].
Hyopotamus, [791].