332 
Corbula inequivalvis 
nucleus 
Olympica 
planulata 
rotundata 
striata 
suleata 
Corbulomya complanata . 
Cormopoda 
Cornea 
Corneocyclas . 
Crassina bipartita 
borealis 
compressa 
convexiuscula 
corrugata 
Damnoniensis 
depressa 
elliptica 
incrassata 
Gairensis 
minima 
minutissima 
Montagui 
multistriata 
nitida 
obliqua 
Omalii 
ovata 
Scotica 
semisulcata 
striata 
suleata 
triangularis 
Crenella 
Cristaria 
Cryptodon bisinuatum 
ferruginosum 
flexuosum 
rotundatum 
sinuosum 
ver ticordia 
Cucullea 
Cultellus tenuis 
cultellatus 
Cuneus 
Cunicula 
INDEX. 
Curvula 
Cuspidaria 
Cyamium eximium 
Cyanocyclas . 
Cyclas appendiculata 
cornea 
Jflavescens 
Sontinalis 
gibba . 
palustris 
pusilla 
rivalis 
rivicola 
Cycladina 
Cynetodonta . 
Cyprina Arctica 
angulata 
Defrancit 
equalis 
Islandica 
Islandicoides 
Lajonkairit 
maxima 
rustica 
tumida 
vulgaris 
Cyphowis 
Cyrachea 
Cyrena consobrina 
Duchastellit 
Gemmellaria 
trigonula 
Cyrtodaria 
Cyrtosolen 
Cytherea apicalis 
Chione 
Cyril 
cycladiformis . 
filosa 
levis 
lamellata 
lenticula 
minima 
minuta 
nitens 
pusilla 
rudis 
PAGE 
49 
271 
152 
103 
110 
107 
107 
112 
112 
109 
112 
107 
107 
117 
258 
195 
196 
197 
196 
196 
196 
197 
196 
197 
197 
196 
79 
138 
104 
104 
104 
104 
290 
252 
198 
207 
198 
208 
208 
207 
210 
198 
198 
198 
207 
198 
208 
