Foliaceous (L. folium, a leaf). Shaped or arranged like leaves.
Gasteropoda (Gr. gaster, stomach; pous, a foot). That class of animals which (like the Snail) have the locomotive organ attached to the under part of the body.
Gemmiparous (L. gemma, a bud; pario, I produce). Propagation by the growth of the young like a bud from the parent.
Habitat. The locality in which an animal habitually resides.
Hinge. That part of a shell at which the valves cohere.
Hyaline (Gr. hualos, crystal). The pellucid substance which determines the spontaneous fission of cells.
Hydra (Gr. hudra, a water serpent). The modern generic name of certain fresh water polypes.
Hydrogen (Gr. hydor, water; gemmæ, I produce). A gas forming one of the components of water and atmospheric air.
Infusoria. The class of animalcules which abound in vegetable and animal infusions.