6ig 



Pages 



Murex Turtoni Beau 63 



— undatus Linné io3, 104 



— variabilis de Cristofori et Jan 1 54 



Musculus edulis Linné 353 



— modulus Linné 363 



Mya (G.) Linné 498 



— arctica Linné 504, 5o5, 5o6 



— arenaria g 



— byssifera Fabricius 5io, 5i2 



— corrugata Martini (non Millier) 396, 399 



— ovalis Turton 498 



— pholadis Linné 5io 



— picea Wood 5 1 3 



— purpurea Montagu 43 r, 432 



— siliqua Spengler 5 1 2 



— suborbicularis Montagu 434 



— substriata Montagu 438 



— Swainsoni Turton 499 



— truncata Linné 9, 498, 499, 5oo, Soi, 5o2 



5o3, 504 



— uddevallensis Hancock 499, 5oo, 504 



Mysia undata Pennant 476 



Mytilus (G.) Linné 353 



— abbreviatus Lamarck 354, 355, 356 



36o, 3fli 



— achatinus Dufr 354 



— barbatus Montagu 363 



— borealis Lamarck 355 



— curtus Pennant 363, 367 



— curvirostratus Da Costa 363 



— decussatus Montagu 371, 372 



— discors Linné. 376, 377, 378, 379, 38i 



— — auct. (non Linné) 379, 38i 



— discrepans Montagu 376 



— — auct. (non Montagu). 38r, 382 



384 



— edulis Linné.. 353, 354, 355, 356, 357 



358, 35g, 36o, 36i, 362 



— — vulgatissimus Chemnitj 353 



— elegans Brown 354 



— faba Mawe (non Fabricius) 371 



— flavus Poli 353, 355 



— galloprovincialis Lamarck 354, 355, 356 



357, 358, 359, 36o, 36i, 362 



— glocinus Locard 36o, 36i 



— herculeus Monterosato.. . . 36o, 36i, 362 



— hesperianus Lamarck 354, 355, 356 



— hyalinus Monterosato 374 



— incurvatus auct. (non Pennant). 354, 355 



356, 357, 35g, 36o, 36i 



— laevigatus Gray 379 



— minimus Bouchard (non Pennant) 355 



— modiolus Linné 363, 364, 365, 366, 367 



— papuanus Lamarck 363 



— pectinulus Stimpson (non Gould) 382 



Pages 



Mytilus pelecinus Locard 36o, 36 1 



— pellucidus Pennant.. . 353, 354, 355, 356 



35g, 362 



— petasunculinus Locard 36o, 36i 



— phaseolinus Philippi 369, 370 



— Pholadis Linné 5io 



— praecisus Montagu 504, 5o5 



retusus Lamarck. .. . 354, 355, 356, 35g 



36o, 36 1 



— rugosus Dilhvyn (non Linné) 5 10 



— sagittatus Poli. ... - 353, 354, 362 



— spathulinus Locard 36o, 36i 



— subsaxatilis Thorpe 354 



— trigonus Locard 36o, 36i, 362 



— umbilicatus Pennant. 363, 365, 367, 368 



— ungulatus Linné 353, 354, 355, 356, 357 



359, 36o 



— ungulinus Linné 356 



— — Montagu 353 



— vitreus Holbull 374 



— vulgaris Da Costa 353 



— — Lamarck 363, 364 



Nacella aenea Martyn 10, 12 



— polaris Hombron et Jacquinot. 12 



N assa (G.) Lamarck 139 



— ■ ascanias Bruguiére . . . . i3g, 140, 141, 143 



144 



— asperula auct. (non Brocchi) 141 



— coccinella Lamarck 141 



— Deshayesi Drouët 141 



— granulata Brusina 141 



— incrassata Strôm 139, 140, 141, 142, 143 



144, i 4 5 



— intermedia Forbes 140 



— Jousseaumei Locard 142, 144 



— Lacepedei Payraudeau 142, 144 



— macula Montagu 139, 140 



— rosacea Reeve 140, 142 



— valliculata Locard 142, 144 



Natica (G.) Adanson. 225 



— ■ adspersa Menke 228 



— affinis Gmelin 226, 227 



— alba Lovén in Philippi 234, 237 



— Alderi Forbes 240, 241, 242, 243 



— ampullaria Lamarck 23o, 233, 234 



— Beverlii Leach 237 



— borealis Gray 234 



— Beck (non Gray) 229 



— britannica Leach 23o 



— Brocchiana Philippi 238, 23g 



— bulbosa Reeve 235 



— canaliculata Gould 247, 248 



— canrena auct. (non Linné). 23o, 244 



— castanea Lamarck 23o, 23i, 23g 



— — auct. (non Lamarck) 240 



