GLOSSARY 



OF TEEMS USED IN COXCHOLOGY. 



A. 



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 Strombus genus, 

 «fcc. 



Ambitus, the circumference or out- 

 line of the valves. 



Annulated. funned of or di\ided 

 into distinct rings. 



Annulations, rings. 



Antiquated, longitudinally furrow- 

 ed, but interrupted by transverse 

 furrows, as if the shell had ac- 

 quired new growth at each fm-- 

 row. 



Aperture, the mouth or opening of 

 the shell. 



Apex, the tip or point of the 

 sjiire. 



Apophysis, an excrescence. 



Approximating, approaching near 

 to, or near together. 



Arcuated, bent in the fonn of an 

 arcli. 



Arcuations, bendings, cur^dngs. 



Area, the sm-face contained be- 

 tween lines or boundaries. 



Ai'enose, sandy. 



Areola, a small area or circle. 



Articidations, junctures, or join- 

 ings. 



Attenuated, thin, slender. 



Auricled, having appendages Uke 

 ears. 



Auriform, ear-shaped. 



Aurited, eai*ed, having ears as in 

 the scallops. 



B. 



Barb, filaments resembling a 

 beard. 



Base, in univalves, that part of 

 the shell by which it is affixed 

 to rocks, <fec. 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, «fec. 



Bellying, distended in the middle. 



Bi, prefixed to any word, signifies 

 two. 



Biangulated, having two corners 

 or angles. 



Bicuspid, having 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. 



]5orer, a juercer. 



Brinded, streaked. 



Bulging, gibbous, swollen out. 



Bullate, of a blistered ajipearance. 



Byssus, a beard, or tuft of fila- 

 ments, coiumon in Mytilus and 

 I'iuna. 



a 



Calcareous, relating 

 limy nature. 



to lime, of a 



