GLOSSARY 



OE TERMS USED m CONCHOLOGY. 



Abbreviated, shortened, cut short. 

 Abdomen, the belly. 

 Aculeated, furnished with, or end- 

 ing in, prickles. 

 Acuminated, ending in a sharp 



point, sharp-pointed. 

 Adnate, adhering or growing to- 

 gether, adjoining. 



Alated, winged, applied to the ex- 

 panded lip of the !S trombus genus, 

 «fcc. 



Ambitus, the circumference or out- 

 line of the valves. 



Annulated. formed of or divided 

 into distinct rings. 



Annulations, rings. 



Antiquated, longitudinally farrow- 

 ed, but interrupted by transverse 

 furrows, as if the shell had ac- 

 quired new growth at each fur- 

 row. 



Apertiu-e, 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 fottn of an 

 arch. 



Arcuations, bendings, curvings. 



Area, the surface contained be- 

 tween lines or boundaries. 



Arenose, sandy. 



Areola, a small area or circle. 



Articulations, junctures, or join- 

 ings. 



Attenuated, thin, slender. 



Avu-icled, having appendages like 

 ears. 



Auriform, ear-shaped. 



Aurited, eared, having ears as in 

 the scallops. 



Barb, filaments resembling a 



beard. 

 Base, in univalves, that part of 

 the shell by which it is atfixed 

 to rocks, &c. or the opposite ex- 

 tremity to the apex. 



Beak, the continuation of the body 

 of univalves in which the canal 

 is situate. 



Beard, the filaments by which some 

 bivalves adhere to rocks, «fcc. 



Bellying, distended in the middle. 



Bi, prefixed to any word, signifies 

 two. 



Biangulated, having two corners 

 or angles. 



Bicuspid, haAang two points. 



Bidentate, having two teeth. 



Bifid, opening with a cleft. 



Bifarious, parting in opposite di- 

 rections. 



Bilabiate, furnished with two lips. 



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 pieces. 



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, or tuft of fila- 

 ments, common in Mytilus and 

 Pinna, 



Calcareous, relating to lime, of a 

 limy nature. 



