212 
INDEX, 
Mollusca, liver of the, xii. 200 
locomotion of the bivalve, 186 
mantle of the, 156 
the marine, 232 
motion of the bivalve, 193 
movements of the acephalous, 
192 
muscles of the, 173 
the naked, 3 
nervous system of the, 221. 222 
operculum of the, 175. 177 
organ of vision in the, 1 80 
ovary of the, 217 
peculiarity in the acephalous, 187 
relation with the mineral king- 
dom of, 241 
reptantia, 151 
respiration of the, 204, 205. 208, 
209 
sailing of certain, 190 
sense of smelling in, 179 
sense of touch in, 178 
shells of the, 159 
shell of the, 160—167- 225—229 
shell of the acephalous, 172 
skin of the, 1 55 
stomach of the, 199 
strata resulting from, 243 
subsilentia, 151 
supplement on the, 139 
teeth of the, 171. 195 
the terebrant, 406 
the terrestrial, 233 
tongue of the, 196 
utility of the, 237, 238, 239 
veins of the, 214 
where found, 234, 235 
Molpadia, {Cuv.) 453 
holothurioides, 453 
Monas, {Mull.) 522 
Monoceros, {Lam.) 76 
Monodon, {Lam.) 60 
Monophora, 52 
Monostoma, ( Zeder .) 471 
Monticularia, {Lam.) 512 
Mopsea, {Lamour.) 510 
Morio, {Montf.) 77 
Murex, ( Brug .) 76 
(of Linnaeus) 77, 76 
Babilonius, 80 
brandaris, 366 
bufo, 80 
cochlidium, 80 
cretaceus, 79 
gyrinus, 80 
haustellum, 79 
Islandicus, 80 
lotorium, 79 
Masellanicus, 79 
Murex perversus, xii. 81 
proper, {Montf.) 79 
ramosus, 79 
rapa, 81 
ricinus, 76 
scolymus, 81 
stramineus, 80 
tribulus, 79 
tripterus, 79 
tritonis, 79 
trunculus, 366 
tubifer, 79 
tulipa, 81 
vespertilio, 80 
Muricea, {Lamour.) 508 
spicifera, 508 
Mussel, the common, 223 
the pearl, 387 
Mussels, the, 393 
the fishing of, 398 
the fresh-water, 400 
malady from eating, 395 
where found, 395 
Mya, {Lam.) 119 
{Lin.) 118 
australis, 118 
glycimeris, 120 
Hispanica, 118 
margaritifera, 106 
pictorum, 107 
siliqua, 120 
truncata, 119 
Mynias, cyanea, 454 
Mytilacea, 104 
Mytiloida, {Brong.) 105 
Mytilus, {Lin.) 104 
{L.) 393 
anatinus, 106 
barbatus, 105 
cygneus, 106. 400 
edulis, 104, 223 
hirundo, 101 
lithophagus, 105 
margaritaceus, 387 
margaritiferus, 100. 382 
pholadis, 121 
Nassa, {Lam.) 74 
Natica, {Lam.) 64 
Nautilus, {Lin.) 12 
of the ancients 303 
of Aristotle, 305 
the papyraceous, 309 
{Pliny), 9 
Pompilius, 13. 311, 312, 313 
properly so called, 13 
spirula, 12. 280. 313 
Navicella, {Lam.) 66 
