MOLLUSCA. ZOOPHYTES. 



213 



Navicula, xii. 493 

 Nematoidea, (Rudolphi) 458 

 Nemertes, (Cuv.) 468 

 Nemertesia, {Lamoicr.) 502 

 Nerita, {Lm.) 64 



corona, 65 



fluviatilis, 65 



peloronta, 280 



perversa, 64 



pulligera, 65 



turrita, 65 

 Neritina, (^Lam.) 64 

 Nermertes Borlasii, 468 

 Nesea, {Lamour.) 505 

 Notarchus, (Cuv.) 45 



gelatinosus, 45 

 Nucleolites, 447 

 Nucula, (Lam.) 103 

 Nudibranchla, the, 349 

 Nudibranchiata, the, 24. 36 

 Nullipora, 513 

 Nummulites, (Lam.) 16 



Octhosise, the, (Ranzani) 137 

 Octopi, duration and size of the, 294 



fishing for the, 293 



food of the, 291 



long arms of the, 290 



size of the, 295 



utility and injury of the, 296 

 Octopus, (Lam.) 8 



the argonaut, 299 



the genus, 289 



habitation of the, 292 



the navigating, 298 

 Oculina, (Lam.) 511 

 Ocyrbe, (Rang.) 488 



maculata, 488 

 Ocythoe antiquorum, 297 



[Rufinesque) 297 

 Oliva, (,Brug.) 71 



littorata, 280 



subuluta, 71 

 Olygira;, {Say.) 62 

 Ombellularia, {Cuv.) 515 

 Ombrella, {Lam.) 352 

 Onchidia, the, 346 



typhse, 346 

 Onchidium, {Buck.) 33 



leevigatum, 33 



typhte, 33 

 Onchidora, {Blain.) 37 



(Leachii) 37 

 Onychotheuthis, {LicJitenst.) 11 

 Onykia, {Lesueiir) 11 

 Ophiocephalus, {Quoy dj- Gaim.) 468 

 Ophiostomus, 460 



cystidicola, 461 



Ophiures, {Lam.) xii. 442 

 Orbicula, {Cuv.) 133 

 Orbicula, {Lam.) 424 

 Orbitulites, (Lam.) 15 



the, 516 

 Orythia, {Peron) 485 

 Oscabriones, the, 368 



locomotion of the, 188 



motion of the, 194 



nervous system of the, 224 

 Ostracea, the, 91 

 Ostracita, {Le Peijr.) 92 

 Ostrea, {Li7i.) 93 



{L.) 369 



cristata, 93 



edulis, 93. 380 



folium, 93 



lima, 95 



malleus, 98 



maxima, 94 



parasitica, 93. 370 



solea, 94 



spondyloidea, 95 

 Otion, 429 



Cuvierii, 136 



{Leach) 136 

 Ovulae, {Montf.) 71 

 Ovulites, {Lin.) 516 

 Oxyuris, {Rud.) 460 



curvula, 460 

 Oyster, the, 369 



the common, 93 



the leaf, 93 



the little Mediterranean, 93 



the parasite, 93 



the pearl, 387 

 Oysters, art of greening, 377 



eggs of the, 371 



the green, 376 



heart of the, 215 



mode of parking, 373 



nutritious quality of, 379 



utility of, 372 



Pachytes, {Defr.) 96 

 PadollcE, the, {Montf.) 86 

 Pagurus Bernhardus, 9 

 Paludina, {Lam.) 59 

 Paludinae, the, 354 

 Pandora, {Briig.) 120 

 Panope de Faujas, 120 

 Panopea, {Mesnard) 120 

 Pantacrinus Europjeus, 444 

 Paphia, {Roiss) 108 

 Paramecium, 521 

 Parenchymata, 469 

 Parmacella, {Cuv.) 28 

 Olivieri, 28 



