330 
Lymnea stagnalis 
turrita . 
M. 
Mactra solida . 
Spengleri 
turgida . 
Magilus antiquus 
Malleus normalis 
vulgaris . 
Marginella Cleryi 
elegans . 
glabella . 
Goodalli . 
labiata 
nubeculata . 
persicula 
splendens . . 
Melania amarula . 
costellata 
marginata 
subulata 
variabilis 
Melanopsis acicularis 
atra 
buccinoides 
costata 
fusiformis 
Melo diadema . 
Mesodesma arctatum 
Chemnitzii . 
donacia . 
donacilla 
glabratum . 
striatum . 
Mitra adusta . 
cardinalis 
a 
to bw wv 
cas 
INDEX TO THE SPECIES. 
Ble 
celal 
5 IY 
Fig. 
i 
10 
Ste ww 
ies) 
to 
or 
do mH PB tO wm eR & Sp PW RH ROK eK bt 
for) 
io 2) 
ie} 
bo 
ie) 
wa oO kK wR oH Ww 
to 09 
Mitra dactylus 
episcopalis . 
fissurata . 
marmorata . 
olivaria . 
regina 
Modiola discors 
discrepans . 
picta . 
plicatula 
semifusca 
silicula 
tulipa 
Monoceros breve. . 
cingulatum . 
imbricatum . 
lugubre . 
Murex Belcheri 
clavus 
coronatus 
Cumingii 
ferrugo . 
microphyllus 
pinniger . 
pinnuliferus 
rarispina 
rosarilum 
rota 
Soverbii . 
torrefactus . 
trigonularis 
tripterus 
varius 
Mya arenaria . 
Mycetopus soleniformis 
Myochama anomioides . 
Mytilus achatinus 
Pl. Fig. 
1280" Way 
Ro 
280 5 
. 28008. ie 
as0h 6 
280 4 
100 «4 
100%), 3 
LOO 3 
101 7 
1OlLsyh 6 
100m5> 2 
101 5 
BEL tin h29 
261 4 
. 261 1 
21 3 
.240 5&6 
: 288 106 
.240 3&4 
. 2401 & 2 
. 237 58 
. 938) 1hl05 
=238.9 109 
. 240 10&11 
9371 wetb2 
. 239 =:118 
82895 (A 119 
. 240 7to9 
. 239120&121 
Se258) en OZ 
2B 54 
» 238, 108 
. | Soitg elt 2 
94 1&2 
39 1to4 
102 1 
