INDEX, 
Oyster beds of France, 378. 
» beds on Lake Fusaro, 388. 
», Claires of Marennes, 394. 
oy» cultivation, 16. 
» farms at Whitstable, 396. 
Oyster fisheries, dredge employed in, 387. 
> bank, artificial, in Lake Fusaro, 
388, 391. 
Oysters, young, with locomotive organs, 
376 
Pacific Ocean, 3. 
Pagurus Bernhardus, 517. 
Pagurus Bernhardus, 518. 
Palzemon, 525. 
Palinurus vulgaris, 511. 
Palinurus vulgaris, 512. 
Paramecium aureia and its parasites, 
97. 
Paramecium aurelia and its parasites, 
102. 
Parr, or young Salmon, 581. 
Parry’s discoveries, 42. 
Patella barbata, 430. 
» caerulea, 430.: 
sy « granatina, 430. 
»  longicosta, 431. 
»  umbella, 430. 
Patella czrulea, P. umbella, 429. 
Pearl fisheries, 366. Value of, 367. 
1, Oyster, 364. 
Pearly Nautilus, 472. 
Pecten glaber, P. japonica, P. opercu- 
laris, P. plica,P. pseudamussium, 308. 
LPecten glaber, 401. 
3» japonica, 405. 
>,  opercularts, 402. 
3» plica, 405. 
>> pseudamussium, 401. 
Pectenide, 308. 
Pectunculus aureflua, Delessertii, P. 
pectiniformis, P. scriptus, 353. 
Pectunculus aureflua, 352. 
a Delessertit, 352 
a5 pecteniformis, 353. 
” scriptus, 353. 
Pennatula phosphorea, 241. 
Je spinosa, 241. 
Pennatula spinosa, 242. 
Pennatulide, 240. 
Pentacrinus, 265. ; 
y caput Medusz, 265. 
653 
Pentacrinus, europzus, 269. 
~ fasciculosus, 264. 
Pentacrinus caput Medusa, 265 
4, | europaeus, 266. 
Perch (common), skeleton of, 528. 
Perforated madrepores, 184. 
Petromyzon, 534. 
Peyssonnel’s discoveries, 225. 
Phallusia grossularia, 310. 
Pholades, or borers, 326. 
Pholas crispata, P. papyracea, and P. 
melanoura, 326. 
Pholas crispata, 327. 
3»  aactylus, 325, 326. 
s>  melanoura, 328. 
3 papyracea, 328. 
Phorus conchyliophorus, 433. 
Phosphorescence of the sea, 88. Causes 
of, 313. 
Phosphorescent chain of Salpze, 313. 
Phyllactis praetexta, 215. 
Phyllactts pretexta, 216. 
Physa castanea, 416. 
Physa castanea, 417. 
Physalia, 140. Its poisonous proper- 
ties, 143. 
Physalia utriculus, 148. 
Physophora hydrostatica, 136. 
Physophora hydrostatica, 137, 139, 141. 
Picked dog-fish, the, 550. 
Pilchards, Cornwall, 599. ‘‘ Huers,” 2d. 
The pilchard fishery, 601. 
Pilchard, the, 600. 
Pinna bullata, P. nobilis, 371. 
Pinna bullata, 372. 
» «-Micrind, 371. 
>, nobilis, 372. 
»5  vudts, 373. 
Pinnoctopus cordiiformis, 493. 
Pinnoctopus cordiiformis, 493. 
Pipe-fish (Syngnathus), 562. 
Lipe-fish, the, 563, 622. 
Pisa tetraodon, 507. 
Pisa tetraodon, 507. 
Plaice (common), the, 608, 
Plaice (Platessa vulgaris), 608. 
Planorbis corneus, 416. 
Planorbis corneus, 416. 
Pleurobrachia, 250. 
Pleuronectidze, 605. 
Plumatella cristallina, 305. 
Plumaitella cristallina, 306, 
