104 



CONCHOLOGY. GLOSSARY. 



chorivn, chorion, and eidos, re- 

 semblance. Name of the mem- 

 brane of the eye which lines the 

 sclerotica. 



CICA'TRIX. From the Latin, coscare, 

 to conceal. The scar which re- 

 mains after the healing of a wound. 



. The "muscular impressions" or 

 points where the adductor muscles 

 are attached in bivalve shells are 

 called cicatrices. 



CICA'TRICES. Plural of cicatrix. 



CI'LIATED. From the Latin, cilium, 

 eyelash. Fringed, like the eye- 

 lashes. 



CINE'REUS. Latin. Like ashes ; ash- 

 colored. 



CIRR'HOPODA, or CIRRIPEDIA. From 

 the Latin, cirrus, a tendril, a curl, 

 and the Greek, pous (podos\ foot. 

 Systematic name of a class of mol- 

 lusks. They are characterized by 

 having a number of long, curled, 

 articulated processes, analogous 

 to the feet of the Crustaceans, 

 which project from the central 

 aperture of the multivalve shell 

 protecting them. They are com- 

 monly called barnacles. This class 

 includes the genus Anatifa and 

 Balanus. 



CLAUSI'LIA. From the Latin, clau- 

 sus, closed. A genus of land 

 shells, so named because the aper- 

 ture of the shell is closed inter- 

 nally by a spiral lid (page 40). 



CLAVIGE'LLA. From the Latin, clavis, 

 a nail (page 88). 



CLEODO'RA. Name of a genus of 

 pteropod mollusks (page 67). 



CLIO. From the Greek, kleos, glory 

 (page 67). 



CfficuM, or CAECUM. From the Latin, 

 coecus, blind. The Uind-gut, so 

 called from its being perforated at 

 one end only. 



COLUME'LLA. Latin, a little column, 

 or pillar. The axis of a shell from 

 top to bottom (page 95). 



COMPO'SITA. Latin. Compounded. 



CON'CHIFE'RA. From the Greek, 

 conche, shell, and the Latin, fero, I 

 bear. Shell bearing. Applied to 

 mollusks with bivalve shells. 



CONCHI'LJAN (kon-kii'-ean). Belong- 



ing or relating to shells. The 

 name of a dye (page 57). 



CONCHO'LOGY. From the Greek, 

 conche, a shell, and logos, a dis. 

 course. The science of shells. 



CO'NUS. Latin. A cone. 



COR. Latin. The heart. 



CORALLI'OPHAGA. Latin. Formed 

 from the Greek, korallion, coral, 

 and phagein, to eat. Coral-eating. 



COR'BIS. Latin. A twig basket, 

 or pannier. Name of a genus of 

 acephalous mollusks which have 

 the external surface of the shell 

 marked by ribs and transverse 

 lines, resembling basket-work 

 (page 84). 



COR'DIFORM. From the Latin cor, m 

 the genitive case, cordis, heart, and 

 forma, shape. Heart-shaped. 



COR'NEA. From the Latin, cornu, 

 horn. One of the coats of the eye, 

 so called because it has some re- 

 semblance to horn. It is the ante- 

 rior, transparent part, through 

 which light passes. 



CRA'NIAL. From the Latin, cranium, 

 the skull. Belonging or relating 

 to the skull. 



From the Latin, crena, 

 a notch. Having 

 rounded teeth. 



CRE^ULA'TION. A rounded tooth, or 

 notch. 



CREPJ'DULA. Latin. A slipper 

 (page 58). 



CREPI'DUL^E. Plural of crepidula. 



CRUSTA'CEA. From the Latin, crus- 

 ta, a hard covering. A class of 

 free articulate animals, with arti- 

 culated limbs, a branchial respi- 

 ration and a dorsal or ventrical 

 heart. 



CRUSTA'CEA. Plural of Crustacea. 

 Crusta'ceans. 



CRY'STALLINE LENS. The lens of the 

 eye. 



CY'CLAS. From the Greek, kuklos, a 

 circle. A genus of fresh water 

 gasteropods, so named from the 

 circular form of the shell. 



CY'CLADES. Plural of cyclas. 



CY'CLOBRANCHI'ATA. From the Greek> 

 kuklos, a wheel, and bragcnia, gills. 

 Name of an order of mollusks 

 (page 61), 



CRE'NULATE. 

 CRE'NULATED. 



