480 



GLOSSATIT. 



CONCHOLEPAS, conch like a lepas ; a 

 genus of shells. 



CONCRETION, a combination of sepa- 

 rate particles. 



CONDYLE, an articulated surface or 

 joint. 



CONFORMABLE, applied to strata lying 

 parallel to each other. 



CONGLOMERATE, a mass composed of 

 rounded water-worn fragments, 

 cemented together ; as breccia is 

 used to describe a similar aggre- 

 gation of uneven and angular 

 materials. 



CONIFERS, trees bearing cones, con- 

 taining the seeds, as the fir, pine,&c. 



CONOLITES, lat., from conus, a cone. 



CONUS, a cone ; a genus of shells. 



CORBIS, a basket ; a genus of shells. 



CORBULA, a little basket ; a genus of 

 shells. 



CORDIFORM, heart-shaped. 



CORNBRASH, a coarse, shelly lime- 

 stone of the oolite. 



CORONULA, lat., corona, a crown ; a 

 genus of shells. 



CORTICIFEROUS, belonging to the 

 bark of a tree. 



COTYLEDONS, seed-lobes of plants. 



CRAG, a provincial term, used to 

 designate the tertiary deposits of 

 Norfolk and Suffolk. 



CRANIA, a skull ; a genus of shells. 



CRASSATELLA, lat., crassus, somewhat 

 thick ; a genus, of shells. 



CRATER, the vent at the summit of 

 a volcano. 



CRATERIFORM, having the form of a 

 crater. 



CRENATULA, a little notch ; a genus 

 of shells. 



CRENULATED, notched or toothed. 



CREPiDULA,to., crepida, a little shoe; 

 a genus of shells. 



CRETACEOUS, belonging to chalk. 



CRINOIDEA, lily-shaoed animals. 



1 CKISTELLARIA, from cris ta, lat., crest, 



or tuft. 



| CROP OUT, signifying the emergence 

 of a stratum on the surface. 



CRUCIAL, in the form of a cross. 



CRUSTACEA, animals having an ex- 

 ternal crust or skeleton, as the 

 crab, lobster, &c. 



CRYPTOGAMI^, a class of plants in 

 which the organs of fructification 

 or reproduction are concealed. 



CRYSTALS, symmetrical forms as- 

 sumed by mineral substances. 



CRYSTALLISED, is used to denote that 

 perfect form of crystallisation, ot 

 which crystalline implies a less 

 perfect degree. Both are fre- 

 quently used indiscriminately. 



CUCULL.EA, lat., cucidlus, a hood ; a 

 genus of shells. 



CUPREOUS, coppery. 



CYATHIFORM, cup-shaped. 



CYCADEJE, a family of plants, na- 

 tives of the Cape of Good Hope, 

 and intermediate between the 

 monocotyledonous and dicotyle- 

 donous classes. 



CYCLAS, orbicular ; a genus of shells. 



CYCLOSTOMA, circular mouth; agenus 

 of shells. 



CYMBULIA, lat., cymbula, a little 

 boat ; a genus of shells. 



CYPR.EA, lat., cypris, a name of 

 Venus ; a genus of shells. 



CYPRICARDIA, allied to cyprina and 

 cardium ; a genus of shells. 



CYPRINA, from Cyprus, consecrated 

 to Venus ; a genus of shells. 



GYRENE, daughter to the river Pe- 

 neus ; Cyrena, a genus of shells. 



CYTHEREA,aname of Venus; agenus 

 of shells. 



D. 



DEBRIS, the ruins or detritus of 

 rocks and strata. 



