INDEX 



751 



Pirn in utana, 5S8 



Piranha, 57S 



Pirate Percb, 656 



Piriitimju, 361 



Pirinampus, 588 



Pit-organs, 383 



Pituitary body, 129 



I'laceuta, of Ijnliohim, 98 ; of Hemimyaria, 



101, 107 ; of Fishes, 434 

 Plagiostomi, 442 L, 148 

 I '/"i i //*,', 6S7 

 /'/oi/i/odus, 614 

 Plaice, 687 

 Platax, 668 



I'latyceplialidae, GOB, 694, 650 

 Platycephalus, 699, 693 

 Plutychaerfps, 673 

 Platyc&nnus, 643 

 Platyglossus, 673 

 Platylaemus, 674 

 Phttypoecilus, 616 

 Platyrhinoidis, 460 

 Platysomatichthys, 687, 685 

 Platysomidae, 487, 485 

 Plnti/somus, 488 

 Platystoma, 594 ', air-bladder and its ex- 



trinsic muscles, 360, 361, 362 ; P. carus- 



I-I'IIK, 594 

 Platytroctes, 570 



Plecoglossus, 566, 569 



l'J,'<;,xt,->mus, 595, 256, 292 ; (Hypostoma) 



scales, 190 ; P. commertmnii. 192 

 Plectognathi, 721 f., 543, 651, 205, 231, 



275, 306, 354, 418 

 J'Ii'i-ti-':iint.f, 656 . 

 Plectropoma, 659 ; P. richardsoni, colora- 



tion, 165 

 /'/,-* ii * / its, 659 



ri,-tiin<iiix, 549 



Pleuracanthidae, 440 



I'!*", -acanthus, 440, 159, 235, 236, 438 ; 



vertebral column, 197 ; pectoral and 



pelvic girdles, 239 ; pectoral fin, 242 ; 



pelvic fins, 245 ; P. ducheni, 439 

 Pleuragramma, 705 ; P. antarcticum, 



705 



Pleurogramw us, '< '"V 

 Pleuronectes, 687 ; P. flesus, 687 : colora- 



tion elements, 167, 170 ; /'. limanda, 



687 ; P. platessa, 686, 687 

 Pleuronectidae, 684, 683, 152, 264, 275, 



284, 302, 412 ; protective coloration, 



172 



Pleuropholis, 545 

 I'li'i'mplax, 44-5 

 Pleuropterygii, 486, 148 

 Plication, of branchial sac, 48 

 Plotosits, 588, 587, 408 

 I'lH/nfeles, 714 ', P. indicus, pectoral arch 



of. 714 

 Podatelidae, 713, 704 



. nii; 

 odos, 41f5 



Puecilopsetta, 687 



Poey, 713 n. 



Pogge, 700 



I'i>!/"nt'as, 6'6V? ; P. clirmins, 663, 3G1 ; 

 air - bladder, 304, 305 ; drumming 

 sounds, 362 



Poison, of Track in its, 70f> 



Poison glands, 176 



Pollack, 649 



IMIan, 568 



Poly a can tlio n otu*. 



Polyacanthus, 669, 293 ; P. ojjerculari*. 

 669 



Polyandry, 413 



Polycarpa, 74, 76 ; reproductive organs, 

 55 ; P. aurata, 76 ; dorsal tuben-le, 

 79 ; I', eomata, 76 : J'. 'jlmm rta, larva, 

 78 ; P. pedata, 76 ; P. tinctor, 76 ; 

 dorsal tubercle, 79 



Polycarps, 76 



Pnlifi-iniltiK. 695 



Polycentropsix, 6-~i* 



Polycentrns, 658 



Polyclinidae, 57, 81, 83, 110 ; ascidiozooid, 

 82 



Polydinum, 88 ; P. ///<///(, stomach, 88 



Polycydiis renter i, larva, 78 



Polygamy, 413 



Polyipnus, 571 



Polymixia, 656 



Polynemidae, 640, 637 



iius, 641 ', P- 'iini<lr(tilix, 641 : 

 shoulder-girdle and pelvis of, 640 ; P. 

 vereker, coloration, 165 



,,,, 491, 154, 284, 405 ; vestigial 

 dermal denticles, 188 ; ribs, 201 ; skull, 

 225 ; pelvic tin, 245 ; teeth, 249 ; 

 pyloiic caeca, 274, 276 ; gills, 282 : 

 spiracle, 283 ; gill - rakers, 288 ; P. 

 folium, 491 ; habits and distribution, 

 491 ; breeding. 



Polyodontidae, 491, 486, 489 



Polyphyodont, 250 



Polyprion. 659 



Polypteridae, 481 ; distribution, 483 



Polypterus, 482, 149, 323; scales, 185, 

 187 ; vertebral column, 202 ; ribs, 206 : 

 skull, 226, 227, 229 : median this, 235 ; 

 pelvic girdle, 241 ; ] ectoral fin, 243 ; 

 tongue, 252 ; spiral valve, 268 ; pyloric 

 caecum, 274 ; spiracle, 283 ; pseudo- 

 branch, 284 ; larval gills, 290 ; air- 

 bladder, 298; arteries to air-bladder, 

 337 ; sounds, 862 ; habits and food, 

 482 ; breeding, 483 ; P. bichir, 482 : 

 P. congicus, 290 ; P. lapradei, 483 ; 

 larvae, 483, 484 ; /'. senegalus, 482, 

 483 



Piilyrhlzodus, 446 



Polystyelidae, W, 81, 110 



