482 



GLOSSARY. 



FASCIOLARIA, fasciola, lal., a little 

 band ; a genus of shells. 



FAULTS, an interruption of the con- 

 tinuity of strata. 



FAUNA, a term borrowed from the 

 fauni, or rural deities of classic 

 mythology, and now used to de- 

 note the animals, as the flora in- 

 dicates the plants, of any given 

 district. 



FELDSPAR, a simple mineral entering 

 into the composition of granite 

 and several other igneous rocks. 



FELDSPATHIC, belonging to, or com- 

 posed of, feldspar. 



FERRUGINOUS, impregnated with iron. 



FISSURELLA, a little fissure ; a genus 

 of shells. 



FISTULANA, lot., fistula, a pipe. 



FLORA, a term employed to denote 

 the plants of any particular region, 

 as the term fauna indicates its 

 animals. 



FOLIACEOUS, arranged like leaves. 



FORAMENIPERA, a division of ani- 

 malcules having perforated shells. 



FORMATION, a group or series of 

 strata referred to a common date 

 or origin. 



FOSSILS, the mineralised remains of 

 animals and plants. 



FOSSILIFEROUS, containing fossils. 



FRIT, a frothy, spongy substance, 

 arising from the imperfect calci- 

 nation of certain minerals. 



Fusus, a spindle ; a genus of 

 shells. 



FUSIFORM, spindle-shaped. 



G. 



GALA THE A, name of a sea-nymph. 



GALEOLARIA, lat., galea, a helmet. 



GASTEROPODA, molluscs with the lo- 

 comotive organs on the under part 

 of the body, as the snail. 



GASTROCH.ENA, body gaping; a genus 

 of shells. 



GAULT, a provincial term for beds 

 of blue clay, which, though strictly 

 applicable only to those of the 

 chalk formation, is locally applied 

 to those of other deposits. Thus 

 the clay beds of the oolite of Hun- 

 tingdonshire are termed gault. 



GELATINOUS, jelly-like ; semi-fluid 

 like jelly. 



GLACIER, the accumulations of ice 

 and snow in the alpine and other 

 mountains. 



GLOBOSE, globe-like. 



GLTCIMERIS, name of a shell. 



GNEISS, a primary stratified rock. 



GORGONIA, a genus of flexible arbo- 

 rescent corals. 



GRALL^E, (stilts,) applied to birds 

 having feet like the heron. 



GRAMINE.E, the family of plants com- 

 posing the grasses. 



GRANULES, little grains. 



GREENSAND, LOWER, the lowermost 

 member of the chalk formation. 



GREENSTONE, a variety of trap-rock, 

 composed of hornblende and feld- 

 spar. 



GREYWACKE, a term applied to rocks 

 of conglomeritic character, bear- 

 ing marks of induration by heat. 



GRIT, coarse-grained sandstone. 



GRYPH^A, with a hooked nose ; a 

 genus of shells. 



GYPSUM, a mineral composed of lime 

 and sulphuric acid ; sulphate of 

 lime. 



H. 



HALIOTIS, the sea-ear; a genus of 



shells. 

 HAMITE, hook-shaped. A shell of 



an extinct genus of cephalopoda. 

 HARPA, a harp ; a genus of shells. 



