342 



LIFE BY THE SEASHORE. 



M. stultorum, 280, 280, 287 

 M. subtruncata, 280, 287 

 Maia squinado, 195, 207 

 Malacostraca, 219, 223 

 Masked crab, 189 

 Medusoids, 42, 46 



of Clytia, 60 



of Obelia, 60 

 Meiribranipora, 122 

 Modiola (or Crenella) marmorata, 



12, 271, 273 



M. modiolus, 271, 273, 287 

 Mollusca, 31, 32, 225 et seq. 

 Mya, 9 



M. arenaria, 283, 288 

 M. truncata, 283, 283, 288 

 Mysidffi, 211, 223 

 Mysis, 161 



M. flexuosa, 209, 211, 212, 223 

 M. lamornce, 214, 223 

 M. vulgaris, 213, 223 



of Norway lobster, 205 

 Mytilus edulis, 267, 271, 272, 287 



Nassa incrassata, 242, 247 

 N. reticulata, 242, 247 

 Natantia, 163, 164, 170, 208 

 Nauplius of Peneus, 327 

 Nematoda, 82 

 Nemertea, 29, 82, 120 

 Nephrops norvegicus, 151, 171, 



174, 192, 322 

 Nephthydidse, 108, 122 

 Nephthys, 98, 119, 122 

 N. hombergii, 108, 123 

 Nereidse, 122 



Nereis cultrifera, 106, 119, 123 

 N. dumerilii, 106, 123, 124 

 N.fucata, 12, 94, 106, 123 

 N. pelagica, 84, 85, 104, 119, 123, 



124 



N. virens, 107, 119, 123 

 Nerine, 119, 122, 321 

 N. coniocephala, 110, 124 

 N. vulgaris, 110, 124 

 Noctihica, 28 

 Norway lobster, 151, 171, 174, 



192, 322 



Notodelphys ascidicola, 294 

 Nudibranchs, 13, 248 

 Nymphon, 222, 224 



Obelia geniculata, 51, 51, 62 

 Octopus vulgaris, 286 

 Old maid shell, 9, 283 

 Oligochsetes, 83 

 Ommastrephes todarus, 286 

 Opercularella lacerata, 53, 62 

 Ophidiidse, 316 

 Ophiocoma nigra, 149 

 Ophiopholis aculeata, 132, 148 

 Ophiothrix fragilis, 129, 131, 147 

 Ophiura albida, 133, 148 

 0. ciliaris, 133, 148 

 0. lacertosa, 133 

 Ophiuroids, 126, 129, 147 

 Opisthobranchia, 230, 248 et seq. 

 Opossum-shrimp, 205, 209 

 Ostrea edulis, 278, 287 

 Otter-shell, 9, 283 

 Oxyrhyncha, 195, 207, 208 

 Oyster, 278 



Paddle-cock, 305 

 Paddle-worm, 99, 119 

 Paguridre, 183, 192, 193, 208 

 Pagurus bernhardus, 184, 186, 



322 



P. prideauxii, 187, 322 

 Palcemon serratus, 151, 165, 170 

 P. squilla, 151, 165, 170 

 Palinuridse, 174, 192, 208 

 Palinurus vulgaris, 174, 178, 192 

 Palolo Avorm, 105 

 Paludina, 236 

 Pandalus annulicornis, 151, 166, 



170 

 Patella vulgata, 23, 226, 226, 231, 



246 



Peachia, 9, 321 

 Pearly nautilus, 228 

 Pecten maximus, 276, 287 

 P. opercularis, 31, 274, 287 

 P. pusio, 27 Q, 287 

 Pectinaria, 94, 119, 123 

 P. belgica, 114, 115, 124 

 Pediculati, 315 

 Pelican's foot, 240 

 Peltogaster paguri, 185, 220 

 Peneus, 164, 172, 327 

 Pennatula phosphor ea, 75, 80 

 Periwinkles, 236, 238 

 Pholas, 8, 284, 289 



