TETRAGONOPTERUS—Continued 
hauxwellianus 228, 229 
huambonicus 216 
ipanquianus 218 
jelskii . 218 
lineatus 235 
longior 221 
maculatus 220 
maximus 221 
oligolepis 231 
orbicularis 234 
ortonil 237 
ovalis 234 
pectinatus 219 
phoenicopterus. 224 
robustulus. . 230 
rutilus - . : ; 221, 222 
schmardae 229 
steindachneri 235 
tabatingae 219 
taeniatus 231 
xinguensis 231 
tetramerus, Acara 392 
Equidens. . 46, 48, 50, 52, 58, 61, 392 
Astronotus 392 
Astronotus (equidens) 392 
tetraodon, Ostracion 409 
TETRAODONTIDAE 408 
Tetrodon 408 
psittacus 409 
thayeri, Geophagus 394, 398 
theraponeura, Prochilodus 
46, 48, 310, 311 
Theraps . 395 
thoracatum, oplosternum: 
44,47, 49, 171 
Hypoptopoma 44, 47, 49, 55, 200 
thoracatum  thoracatum, Hoplo- 
sternum. ...... 54, 171 
thoracatus, Callichthys 171 
THORACOCHARAX .. 266, 268 
pectorosus .. 46, 48, 269 
stellatus : 45, 49, 56, 268, 269 
Thrichomycterus 150 
UAT NO botrenn babies 30 
timminckii, Ancistrus : 54 
tirapatae, Orestias 371, 374 
toro . : 131 
TRACHYCORYSTES . : 118 
brevibarbus . . 44, 120 
COLACOLdelISe sees: 44, 120 
galeatus........ 44, 48, 53, 119, 121 
isacanthus . 44, 120 
AOE RON on boas dao onan Ere 119 
GY DUS Hee ere PC 118 
TRACHYDORAS.... doogae 131 
DUTUPES sass 44, 54, 181, 132 
nattereri. . 44, 47, 54, 131, 132 
trachystetha, Curimata.......45, 293 
trachystethus, Curimatus Sau PB} 
Curimatus bimaculatus . 293 
trahira, Erythrinus. ... 280 
INDEX 
Macrodon 280 
lraira : 25 
transitoria, Pimelodella 101 
Trichomycteridae 141 
Trichomycteriformes Siluroidei.. 141 
Trichomycterus. . 150 
barbatula 153 
dispar 152, 153 
gracilis 153 
ineae 153 
kneril 157 
pardus 153 
pentlandi 153 
pictus 153 
pusillus 158 
rivulatus 152 
taczanowskil 155 
vittatus 151 
TRIDENS 142, 163, 216 
melanops 44, 163 
tridens, Hemibrycon 60, 216 
trifasciatus, Astroblepus 167 
Leporinus 49, 57, 307 
trilineatus, Corydoras 174 
trimaculata, Acaronia 46, 389 
trimaculatus, Anostomus ..46, 57, 303 
Schizodon 803 
Trinectes 407 
Triportheus 260 
albus . 262 
flavus 261 
troscheli, Eigenmannia 
46, 48, 315, 316, 318 
Stern ODyeUSicnsete see asec 316 
troschelii, Sternopygus 316 
Trutta dentatus . 255 
Trygon hystrix 83 
milleri 83 
tschudii, Orestias 
61, 349, 351, 352, 354, 356, 379 
tucunart . 403 
TYLOSURUS 382 
acus 382 
amazonicus 46, 48, 50, 52, 58, 61, 382 
cantraini. . 382 
TYMPANOPLEURA 138 
alta 44, 139 
nigricollis . . 44, 139 
piperata 138 
polystictus. .. 139 
rondoni - 139 
typica, Orestias. . ‘ 373 
typus, Loricaria 55, 204, 205 
Parahemiodon 204 
Trachycorystes 118 
U 
UARU 389 
avhiaes amiboides 
46, 48, 58, 389, 390 
imperialis . 890 
Uarus centrarchoides . 396 
493 
insignis 398 
ubidiai, Astroblepus 168 
Cyclopium 168 
ucayalensis, Ageneiosus.44, 47, 54, 137 
Anostomus 48, 303 
Chromys 387 
Curimatoides 48, 299 
Hassar 47, 135 
Hemiancistrus 47, 185 
Loricaria 47, 205 
Loricariichthys 205 
Pithecocharax 303 
umanto 359 
unilineatus, Poecilurichthys 229 
unimaculatus, Salmo 284 
uniocellata, Chromys 392 
unitaeniata, Piabucina 50, 56, 278 
unitaeniatus, Erythrinus 281 
Erythrinus (Ophiocephalops).. 281 
Hoplerythrinus 45, 48, 56, 281 
URINOPHILUS 142, 148, 145, 161 
diabolicus . 44, 143, 162 
erythrurus 44,47, 49, 54, 143, 162 
sanguineus 162 
urophthalmus, Rivulus 46, 50, 58, 346 
V 
vaillanti, Platystoma : 111 
VANDELLIA 142, 147, 161 
cirrhosa . > L6H 
plazaii 47, 54, 161 
evovniuiboeeys 5 ope aaeegocenpes 162 
VANDELLIIN AE. Pie a 161 
variola, C hactostonies 44, 194 
variolus, Chaetostomus. . 194 
varius, Liposarcus . 188 
Vastres... 336 
gigas 338 
venezuelanus, C Garden: as 174 
ventralis, Cetopsis 149 
Pseudocetopsis < 149, 150 
verrucosus, Platystacus pee 4: 
vestitus, Otocinclus 44, 201 
vicinus, Hypostomus. 189 
virescens, Eigenmannia 
46, 48, 50, 57, 315, 316 
Plecostomus . 1s4 
Sternarchus . 315 
Sternopygus . . 315 
vittata, Acara 393 
Crenicichla 404 
vittatum, Pygidium. . 151 
vittatus, Acara ; 393 
A quidens 46, 48, 50, 393 
Chaleinus 49, 56, 262 
Leporellus 46, 57, 308 
Leporinus 308 
Trichomycterus 151 
vulpinum, Rhaphiodon 
45, 48, 49, 56, 271 
vulpinus, Cynodon. . 271 
