of the Fisher 11 Board for Scotland. 



231 



Plankton, sira-, characters of, (15) 302. 



styli-, (15) 303. 



tricho-, chai\acters of, (15) 302. 



tripos-, characters of, (15) 302. 



Plaiwrbia cUbus, (8) 330 ; (9) 271, 276, 

 281, 285 ; (13) 249 ; (15) 320, 331, 332; 



(16) 251 ; (17) 139, 155, 159, 185. 

 cmtortus, (8) 336, 341 ; (9) 271, 276, 



281, 284, 285 ; (13) 249 ; (15) 320, 330, 

 332 ; (17) 155, 159, 185. 



glaber, (13) 244 ; (15) 330, 332 ; (17) 



139, 185. 



nautileus, (9) 271, 276, 288; (13) 



188, 244 ; (14) 239 ; (15) 320, 332 ; (16) 

 251, 257, 259 ; (17) 159, 185. 



var. cristata, (13) 244. 



nitidus, (9) 284 ; (13) 249 ; (15) 320 



(17) 139, 159, 185. 



spirorbis, (8) 339 ; (9) 283, 284. 



vortex, (9) 285. 



Planorbulina mediterranmsis, (15) 167. 

 Platichthys stellafus, (18) 353. 

 Platophrys, (18) 357. 



laterna. See Scald -fish. 



Platybdella solece, (19) 139. 

 Platychelipus Uttoratis, (11) 203, 205 ; 

 (15) 317. 



Platypsyllm minor, (20) 449, 455. 

 Plafysomatichthys hippoglossoides, (18) 

 352. 



Pl'ayfair, Sir Lyon, (10) 173. 

 Fleet anocotyle lorenzii, (23) 116. 

 Pleonexes gammarodes, (15) 141. 

 Pleurobranchus plumula, (15) 116. 

 Pleurogonium inerme, (17) 266 ; (19) 236, 

 272. 



rubicundum, (17) 266. 



spinosissimum (17) 256 ; (19) 272. 



Pleuromma armatum, (15) 147. 

 Pleuronectes cynoglossus. See Witch. 



flesus. See Flounder. 



limanda. See Dab, common. 



megastoma. See Megrim. 



microcephalus. See Dab, lemon. 



platessa. See Plaice. 



Pleuronectid, B., eggs and larvre of, (9) 

 319. 



Pleuronectidse, (18) 351, 352 ; mid see 



Flat-fishes. 

 Pleuronectids, post-larval forms, (7) 



306. 



remarks on young, (10) 274. 



young, specimens of, (11) 246. 



Pleuronectinffi, (18) 351 . 352, 353, 358. 

 Pleuronichthys, (18) 353. 

 Pleurophyllidia loveni, (7) 325. 

 Pleurosigma acuminatum, (9) 274. 



spencerii, (9) 274. 



Pleurotoma septangidaris, (20) 522. 



trevelyana, (20) 522. 



turricola, (20) 522. 



Pleuroxus hamatus, (9) 294. 



hastatus, (9) 294. 



Icevis, (9) 277, 294 ; (13) 250; (15) 



321. 



trigonellus, (9) 273, 277, 283, 294 ; 



(12) 286 ; (13) 245, 250 ; (14) 168 ; (15) 

 321, 331, 333 ; (17) 140, 150, 155, 185, 

 &c. 



truncata, (9) 294. 



Pleuroxus uncinatus, (9) 273, 275, 277, 



294; (13)250; (15) 321; (17) 140, 



160, 164, 185. 

 Poecilopsetta, (18) 361. 

 Podalirius typicus, (6) 250, 271. 

 Podoceropsis excavata, (15) 141 ; (20) 501. 



rimapalma, (6) 248. 



sophue, (6) 248 ; (15) 141. 



Podocerus capillatus, (6) 249. 



cumbreuxis, (16) 262. 



falcatux, (6) 249. 



Herdmani, (14) 161 ; (16) 262. 



palmatus, (17) 266. 



pelagicus, (6) 249. 



pulchellus, (6) 249. 



pusillus, (14) 161 ; (15) 141 ; (17)265. 



Podon intermedins, (15) 142, 305, 306, 



307, 308, 310, 311, 315 ; (20) 476. 



leuckartii, (20) 476, 532, 533. 



attacking post-larval fish, (22) 



279. 



polyphemoide*, (9) 308; (15) 142; 



(16) 210 ; (20) 476, 477. 

 Podopsis slabberi, (6) 254. 

 Pogge. See Armed bullhead. 

 Poisoning by raw fish, (7) 408. 

 Pole-dab. See Witch. 

 Pollan (Coreqonus pollau), spawning 



period of, (4) 252. 

 Pollack {Gadus pollachius), (18) 283. 

 anatomical differences from cod and 



coal-fish, (20) 250. 

 comparison between, and cod and 



coal-fish, (20) 228, 244. 



development of, (14) 171. 



distribution of, (21) 60. 



eggs of, (10) 288 ; (14) 171 ; (17) 82, 



83, 93, 96. 



food of, (7) 240 ; (8) 251 ; (19) 267 ; 



(20) 517. 



habits of 3 r oung of, (4) 209. 



hatched in United States, (13) 337. 



in Loch Fyne, (4) 233 ; (15) 111. 



migration of, (21) 61. 



osteology of, (20) 228, 251. 



parasites of. (18) 153 ; (19) 121, 150 ; 



(20) 291 ; (23) 108. 

 proportion of males to females, (8) 



349. 



quantities landed by trawlers, (21) 



61. 



spawning period of, (4) 248 ; (7) 



194 ; (8) 268 ; (11) 246 ; (17) 99 ; (20) 

 251 ; (21) 61. 



specific description of, (20) 248. 



Polycarpa rustica, (15) 114. 



Polyeera quadrilineata, (15) 116. 



Poly cirrus aurantiacus, (15) 158. 



Polycope compressa, (7) 318, 319. 



orbicularis, (7) 319 ; (8) 325; (15) 145. 



punctata, (15) 145. 



Polydora, (4) 217. 



(Leucodore) ciliata, (9) 400. 



Polymnia nasidensis, (15) 158. 



nebidosa, (15) 158. 



Polymorpliina compressa, (8) 316 ; (16) 

 277. 



gibba, (7) 315; (15) 167. 



lactea, (7) 315 ; (15) 166. 



lanceolata, (16) 277. 



