FREQUENTLY USED IN CONCHOLOOV. 



14: 



Conrctatiis, Ii.nviiig the aperture with- 

 out a lioUoH behind ; contracted, 

 drawn together ; opposed to Ef- 

 fusKs. 



Cochlea, a univalve shell. 



Coc/i/ialtis, like a snail's shell. 



Columella, a column, the centre pillar 

 or axis of the spiral sliells. 



Coinplicaliis, folded up, tvrapt to- 

 gether. 



CoDipressus, applied to bivalves that 

 are but a little convex. 



Concomeratus, chambered, arched. 



Concatenatus, chained together. 



Concavus, concave. 



Concha, a bivalve shell. 



Confertus, crowded. 



Conicus, conical. 



Connivens, approaching, converging. 



Contortus, twisted. 



Convexus, when the valves are con- 

 siderably convex. 



Convolutus, rolled up ; witli one end 

 enveloped, the other conspicuous. 



Cordatus, like a heart. 



Cordiformis, shaped like a heart. 



Coriaceus, like leather. 



Corniformis, horn-shaped. 



Cornutus, horned. 



Coronatus, crowned with a circle of 

 raised knobs or points round the 

 spire. 



Corticatus, having a rind or bark. 



CostcE, ribs. 



Costatus, ribbed. 



Crassiusculiis, thickish, rather thick. 



Crassus, thick. 



Crenatus, scolloped or notched. 



Criapus, curled or bent waving. 



Cris/atus, crested. 



Criista, the shell of a Lobster or Crab, 



&c. 

 CucuUutus, hooded. 

 Ciineiformis, wedge-shaped. 

 Cuspidattis, M'ith a point like a spear. 

 Ci/lindraceiis, like a roller or cylinder. 



Dccollatus, witli the top or apex as 

 if broken or cut olT. 



Decurrcns, running down. 



Deciissatus, with longitudinal and 

 transverse ridges or hollows cross- 

 ing each other. 



Dejlexits, bent downwards. 



Dehiscens, gaping, opening wide. 



Densus, thick, close. 



Dens, a tooth. 



Dentatus, toothed. 



Denticulatus, with little tcetli. 



Deorsiim, downward. 



Depressus, depressed. 



Desinens, coming to an end. 



Dextrorsiim, on the right side. 



Didj/mus, double. 



Diffttsus, spreading. 



Digcstus, set in order. 



Digitatiis, having the outer lip divided 

 into lobes, or fingered. 



Dilatatus, extended, stretched out. 



Dimidiatus, divided into two parts. 



Discus, the centre or middle part of 

 each valve. 



Disjunctus, disjoined. 



Disscclus, cut or divided. 



Dissephnejitum, a thin partition like 

 a skin. 



Distortus, mis-shapen. 



Divuricalus, spreading wide asunder. 



