918 GLOSSARY. 



Grallje (Stilts;) applied to birds having feet like the heron. 



Granules little grains. 



Gramineje the order of plants comprising the grasses. 



Greensand ,.. the lowermost member of the chalk formation. 



Greenstone an ancient volcanic rock. 



Greywacke rocks of a conglomeritic character, indurated by heat. 



Grit granular calciferous sandstone. 



Gypsum sulphate of lime. 



Hemiptera insects with wings, half horny, and half membraneous. 



Herbivorous living on herbs. 



Holoptychius allwrinkle fish, in allusion to the corrugated scales. 



Homalonotus (smooth-backed ;) name applied to a genus of trilobites, in 



which the lobes are but feebly produced. 



Homologue the analogous organ in different animals. 



Hyaline crystalline appearance, or pellucid. 



Hydra freshwater polype. 



Hydrozoa coral-polypes organized like the Hydra. 



Hymenoptera insects with four membranous wings. 



Hypogene rocks formed in the interior of the earth, as Granite. 



Icebergs floating masses of ice. 



Iguana a lizard of the West Indies. 



Imbricated laid over each other like scales.' 



Incandescent applied to mineral masses in a state of intense fusion. 



Induction the derivation of principles from facts. 



Infusoria microscopic animals that abound in infusions. 



Insectivorous animals that live on insects, as the Hedgehog. 



Inspissated dried up. 



Invertebrata animals without a bony, flexible spine, or vertebrae, as 



worms, lobsters, &c. 



Lacustrine belonging to a lake. 



Lamellated covered with thin plates or scales. 



Lamelliform shaped like a thin plate or scale. 



Lamina the thin layers of which a stratum is composed. 



Lapilli volcanic ashes, in which globular concretions prevail. 



Larva the first stage of an insect. 



Lava melted mineral matter erupted from volcanoes. 



Lepidoptera insects having scaly wings, as Moths. 



Lias a provincial term, applied to a group of strata situated 



between the oolite and the new red sandstone. 



Lignite carbonized wood. 



Lithodomi mollusca which perforate stones, shells, &rc. 



Lithological the stony character of a mineral mass. 



Lithophytes stone-plants ; a term applied to corals. 



Littoral belonging to the sea-shore. 



Loess a tertiary deposit on the banks of the Rhine. 



Lycopodiace^ the family of club-mosses. 



Macroura long-tail, applied to crustaceans, as the Lobster. 



Macropoma long operculum, name of a sauroid fish. 



M t^t L c IA ' ° r MAM 1animals which give suck to their young. 



MIFERS ) 



Mammillated studded with mammillae, or rounded protuberances. 



Mandibles jaws. 



Mantle the soft external envelope of the mollusks. 



Marl a mixture of lime and clay. 



Marsupial animals which carry their young in a pouch, as the Kan- 

 garoo. 



Matrix the substance in which a fossil is imbedded. 



Medullary a term applied to the central pith in plants, and to the 



matter of the brain and spinal marrow in animals. 



