parasitic fungi, i, 353 
parasitic worms, 
acanthocephala, i, 344 
cestodes, i, 344 
an article of food, i, 351 
nematodes, i, 344 
trematodes, i, 344 
Paratrachichthys, i, 439; ii, 
295 
figure of, ii, 253 
Paraxus, i, 517 
Pareioplite, ii, 426-458 
parental affection in fishes, i, 
166, 167 
Parexoccetus, ii, 214 
parent-stream theory, ii, 81 
Parequula, ii, 287 
pargo criollo, i, 324; ii, 335 
pargo de lo alto, ii, 336 
pargo guachinango, ii, 335 
pargos, 11, 333 
Park, i, 393 
Parker, i, 90, 428, 5043. ii, 
160, 482 
on Chimeras, i, 563 
on hearing of fishes, i, 121, 
122 
optic nerve of flounder, iii, 
482, 483 
on soles, il, 483 
Parnell, i, 410 
Parophrys, ii, 493 
Parr, ii, gt 
Parra, i, 396 
parrot-fish, i, 21; ii, 56, 360, 
385, 390, 393, 
figure of, i, 330; U, 392, 
394, 395 7 os 
jaws of, figured, i, 30; ii, 
391 ; 
pharyngeals of, i, 47, 48; 
wy, 393 
parts of skeleton, i, 35 
paru, ii, 405 
Patecide, ii, 516 
Pateecus, ii, 514 
patao, ii, 348 
Patten, i, 428 
on Ostracophores, i, 569 
pesce re, ii, 218 
peacock flounders, ii, 488 
pearlfish, i, 84, 159; ii, 522 
figure of, i, 522, 523 
péche prétre, i, 429 
Peck, i, 419 
pecten, ii, 6 
pectoral fin, i, 10, 521 
of Chiloscyllium, i, 66 
of codfish, i, 66 
figure of, i, 57, 66 
Gegenbaur on, i, 66, 67 
Index 
pectoral fin, 
of Heptranchias, i, 57 
origin of, i, 67 
pectoral limb, i, 50 
of Dipnoan, i, 60 
figure of, i, 85 
Kerr on, i, 61 
in shark, i, 60 
peculiar, 
jaws and teeth, i, 201 
larval forms, i, 142 
pediculates, i, 51, 206, 207, 
405; li, 40, 499 
order of, ii, 542-553 
Pegador, 
figure of, i, 197; ii, 468 
pegapega, ii, 468 
Pegaside, ii, 240 
family of, ii, 239 
Pegasus, i, 393; li, 240 
peixe rey, ii, 216 
pelagic fishes, i, 245 
vertebrez in, i, 209 
Pelamis, i, 364 
Pelargorhynchus, ii, 136 
Pelates, ii, 342 
Pelecanus, i, 345 
Pelecopterus, li, 34 
pelican, 
fish parasites in, i, 345 
pelican-eel, ii, 156 
Pellegrin, i, 412 
on poisonous fishes, i, 182— 
184 
Pelor, i, 180; ii, 434 
Peltacephalata, i, 568 
pelvic girdle, i, 42 
Pempheride, ii, 288 
Pempheris, ii, 289 
figure of, ii, 289, 290 
penfishes, ii, 344 
Penella, i, 242 
Pennant, i, 396 
on parental affection in 
fishes, i, 166 
Pentacerotide,* ii, 333 
pentadactyle limb, i, 79 
Pentapus, ii, 341 
Peprilus, ii, 285 
figure of, i, 18; ii, 284 
Perca, 391; ti, 307, 315, 367 
brain of, i, 111 
figure of, ii, 308 
Percalates, ii, 320 
Percarina, ii, 310 
Percesoces, ii, 157, 208, 228, 
290, 360, 370, 521, 522 
order of, ii, 215 
perches, i, 21, 209, 290, 304; 
li, 168, 258, 304, 307, 
310 
; 
585 
perches, 
brain of, figured, i, 111 
European, li, 307 
everglade pigmy, figured, 
Ul, 295 
white, ii, 304 
yellow, ii, 307, 308 
Percichthys, ii, 320 
Percide, i, 209, 248, 260, 
406; ii, 171, 258, 294, 
304, 309, 320 
family of, ii, 304 
Percilia, ii, 320 
Percina, ii, 306, 310 
figure of, ii, 311 
Percis, ii, 453 
Percoidea, ii, 293-315 
Percoidei, ii, 398 
percoid fishes, ii, 293-315 
Percomorphi, ii,, 258-271, 
365, 397, 398, 426 
suborder of, ii, 258 
Percophida, ii, 502 
/Percopside, i, 290; ii, 241 
family of, ii, 241 
Percopsis, i, 316; ii, 296 
figure of, ii, 241 
periblast, i, 136 
Periophthalmus, i, 117; ii, 
465, 510 
figure of, i, 118; ii, 466 
Peristediidz, i, 208; ii, 457 
Peristedion, i, 219 
figure of, i, 299; i, 457 
peritoneum, 1, 32 
Permian, ii, 14, 23 
sharks from, i, 517 
Perugia, i, 412 
pescado azul, ii, 382 
pescadillo del red, ii, 354 
pescado blanco, i, 328; ii, 
216 
figure of, i, 217, 329 
pescado del rey, ii, 216 
pesce rey, ii, 216 
Petalodontide, i, 531 
family of, i, 554 
teeth of, figured, i, 555 
Petalodus, i, 554 
Petalopteryx, ii, 26, 458 
Peters, i, 411 
peto, ii, 266 
Petromyzon, i, 132, 142, 357; 
372; 391, 490, 618 
figure of, i, 491 
mouth figured, i, 492 
head of, figured, i, 111 
Petromyzonide, i, 290, 373, 
490 
Petroscirtes, ii, 509 
pez ciego, ii, 524 
*T his family should stand as Histiopteride, the name Pentaceros, Pentacerotide, being used earlier 
for starfishes. 
