GLOSSARY 



OF TERMS USED IN CONCHOLOGY. 



Abbreviated, shortened, cut short. 



Abdomen, the belly. 



Aculeated, furnished with, or ending 



in, prickles. 

 Acuminated, ending in a sharp point, 



sharp pointed. 

 Adnate, adhering or growing together, 



adjoining. 

 Alated, winged, applied to the expan- 

 ded lip of the Strombus genus, &c. 

 Ambitus, the circumference or outline 



of the valves. 

 Annulated, formed or divided into dis- 

 tinct rings. 

 AnnulatiOns, rings. 

 Antiquated, longitudinally furrowed, 

 but interrupted by transverse fur- 

 rows, as if the shell had acquired 

 new growth at each furrow. 

 Aperture, the mouth or Opening of the 



shell. 

 Apex, the tip or point of the spire. 

 Apophysis, an excrescence. 

 Approximating, approaching near to, 



or near together. 

 Arcuated, bent in the form of an arch. 

 Ajcuations, bendings, curvings. 

 Area, the surface contained between 



lines or boundaries. 

 Arenose, sandy. 

 Areola, a small area or circle. 

 Articulations, junctures, or joinings. 

 Ascititious, supplemental, additional. 

 Attenuated, thin, slender. 

 Auratcd, eared, having ears as in the 



scallops. 

 Auricled, having appendages like ears. 

 Auriform, ear-shaped. 



B. 



Barb, anything that grows in place of 

 a beard. 



Base, in univalves, that part of the 

 shell by which it is affixed to rocks, 

 &c., and in multivalves the oppo- 

 site extremity to the apex. In uni- 

 valves, the opposite end to the apex. 



Beak, the continuation of th6 body of 

 univalves in which the canal is sit- 

 uated. 

 Beard, the process by which some bi- 

 valves adhere to rocks, &c. 

 Bellying, distended in the middle. 

 Bi, prefixed to any word, signifies two. 

 Biangulated, having two comers or 



angles. 

 Bicuspid, having two points. 

 Bidentate, having two teeth. 

 Bifid, opening with a cleft. 

 Bifarious, jJarting in opposite direc- 

 tions. 

 Bilabiate, furnished both with an outer 



and inner lip. 

 Bilobate, divided into two lobes. 

 Bimarginate, furnished with a double 



margin as far as the lip. 

 Biradiate, having two rays. 

 Bivalve, consisting of two valves or 



divisions. 

 Blotched, spotted in an irregular way. 

 Blunt, obtuse, opposed to acute. 

 Borer, a piercer. 

 Brinded, streaked. 

 Bulging, gibbous, swollen out. 

 Bullate, of a blistered appearance. 

 Byssus, a beard, common in the My- 

 tilus and Pinna. 



C. 



Calcareous, relating to lime, of a limy 

 nature. 



Callosity, a protuberance. 



Callus, is composed of two short ribsi, 

 united at the base, and converging 

 at the apex towards the hinder part 

 of the shell. 



Campanulate, bell-shaped. 



Canaliculated, made like a pipe or 

 gutter. 



Cancellated, longitudinally and trans- 

 versely ribbed. 



Carinate, having a longitudinal prom- 

 inence like the keel of a vessel. 



Carinated, keeled. 



Cartilage, a flexible fibrous substance 



