PIMELODELLA—Conlinued 
lateristriga 43, 53, 99, 100 
mecki 101 
montana 51, 59, 100 
peruana 47, 101 
43, 53, 98 
52, 59, 98 
puruense, purucnsis 
roecac 
transitoria 101 
PIMELODIDAE 27, 87 
PIMELODINA 88 
flavipinnis 43, 53, 88 
PIMELODINAL 63, 8S 
PIMELODUS 92, 102 
agassizil 100 
altipinnis 106 
altissimus 47, 104, 106 
bathyurus 94 
buckleyi... 99 
bufonius.. . . 90 
clarias 43, 47, 48, 53, 104, 105 
cristatus 98 
ctenodus . . 8S 
eyanostigma 101 
eques 107 
fasciatum, fasciatus . 108 
galeatus 119 
gracilis 102 
humilis .94, 95 
jivaro 43, 105 
lateristrigus 99 
leptus 47, 104 
longicauda 97 
macropterus as SS 
maculatus 102 
ophthalmicus 100 
ornata, ornatus.. 48, 50, 53, 59, 103 
pentlandi : 96 
pictus 43, 47, 48, 53, 102, 104 
(Pseudopimelodus) pulcher.... 91 
quelen, queleni 92,93 
raninus. . ..90, 91 
sebae OA! 
westermanni 104 
zungaro.... 90 
Pimelotropis : 85 
lateralis... . 88 
Pinirampus agassizil 116, 117 
piperata, Tympanopleura 138 
piperatus, Imparfinis 96 
pira-cda-a 386 
piracicabae, Parodon 286 
piramuta, Bagrus_. 97 
Piramutana 46, 53, 97 
PIRAMUTANA 2 EY 
piramuta... 46, 53, 97 
pirana, piranha 
143, 239, 242, 243, 244, 245, 271, 330 
9, 27, 63, 338 
pirarocou, piraruct. 
pirarucu, Sudis . 300 
piraya 239, 242, 245 
piseatrix, Pseudorhamdia 104 
Pithecocharax . 303 
INDEX 
ucayalensis 303 
PLAGIOSCION 3886 
auratum 46, 48, 58, 387 
auratus iquitensis 387 
squamosissima, squamosissimum 
46, 48, 58, 386 
squamosissimum iquitensis 386 
planiceps, Platystoma. . : 115 
Sorubimichthys 44, 538, 115 
Platax sealaris .. 406 
platycephalus, Chaetostomus 5h 
PLATYDORAS 125 
costatus 44,49, 54, 126 
Platygaster 334 
platyrhynchos, Hemisorubim 
44,47, 53, 114 
Platystoma 114 
Platystacus verrucosus S4 
Platystoma. . 108, 111, 112, 113,114 
emarginatum 207 
fasciatum 108 
gigas 115 
juruense 111 
lima 113 
planiceps 115 
platyrhynechos 114 
punctifer . 109 
spatula 115 
sturio 113, 114 
vaillanti 111 
platystoma, Harttia 5 alli 
PLATYSTOMATICHTHYS 113, 114 
sturio 44, 47, 53, 113, 114 
plazai, plazaii, Vandellia. 47, 54, 161 
plecostomus 182, 1838, 185 
bicirrhosus. 184 
biseriatus. . IS4 
emarginatus 1S4 
genibarbis 183 
euacari . 185 
maculatus. . 205 
pardalis 188 
pellegrini 183 
phrixosoma 185 
plecostomus 1S4 
scopularius 1S4 
virescens 184 
wertheimeri 183 
plecostomus, Acipenser.......... 184 
Hypostomus 50, 54, 59, 184 
Loricaria 184 
Plecostomus 184 
PLECTOGNATHI.. _ 408 
277, 278 
45, 50, 278 
PLETHODECTES 
erythrurus 
Pleuronectes achirus .. 407 
lineatus. . 407 
plumbeus, Cetopsis 149 
50, 54, 59, 
Hemicetopsis 149 
Poecilosomatops 288 
POECILIIDAE 345 
POECILOBRYCON 287 
489 
eques 45, 
harrisoni 
Poecilurichthys moenkhausii 
unilineatus 
poecilus, Microglanis 
Pogonopoma 
polyacanthus, Monocirrhus 
Polycentrus 
polyodon, Hemibrycon. ..51, 216, 
polystictus, Tympanopleura 
pongo 
pongoense, Apareiodon 45, 
poraque 
porcinum, Sternarchogiton 
46, 50, 324, : 
POROTERGUS 318, 322, 323, 325, 
gimbeli 46, 57, 323, 
gymnotus : 322, 323, 
terminalis 46, 323, 
POTAMORHINA 
pristigaster 
POTAMORRHAPHIS 
guianensis 
POTAMOTRYGON 
humboldtii. . 
ny StriKgeee oe 
POTAMOTRYGONINAE 
pracliorum, Astroblepus 
51, 59, 61, 
45, 56, 
46, 48, 58, 
prenadilla, Arges 
Astroblepus 51, 59) 165. 
Brontes 
Cyclopium 
Primodontos gigas 
prionomus, Rhinodoras 
PRISTIGASTER 
cayanus 
martii 
pristigaster, Curimatus 
Potamorhina 
PROCHILODINAE 
PROCHILODUS 
46, 48, 50, 58, 
45, 56, 
252, 307, 
amazonensis, amazonicus 
46, 48, 57, 
argenteus : 
caudofasciatus 48, 51, 60, 
cephalotes 46, 
insignis 46, 57, 310, 
nigricans 
46, 48, 50, 51, 52, 57, 60, 309, 
46, 
46, 57, 309, 
46, 48, 310, 
profunda, Moenkhausia 
ortonianus 
rubrotaeniatus 
theraponeura 
protective behavior 
coloration 
form 
resemblance 
Proteropodes, Siluridae 163, 
proteus, Crenicichla 
PSECTROGASTER 
288 
288 
. 234 
229 
89 
183 
383 
383 
219 
139 
7 
286 
330 
395 
326 
324 
B24 
824 
289 
289 
381 
381 
8&2 
83 
46, 48, 53, 83 
82 
169 
165 
168 
165 
165 
338 
130 
333 
333 
334 
289 
289 
308 
309 
311 
309 
311 
310 
311 
310 
310 
311 
311 
232 
385 
385 
385 
169 
405 
289 
