506 



CALIFORNIA ACADEMY OF SCIENCES. 



rivulatum 327, 330 



rivulatus 326, 330 



robinii (Hypostomus) 412 



(Plecostomus) 400, 412 



robustus (Auohenipterus) 281 



(Trachycorystes) 274, 281 



rostrata 362, 366 



rousseauxii (Bagrus) 198 



(Brachyplatystoma) .. .193 198 



rugispinis (Arius) 83 



(Galeichthys) 83 



( Tachisuvus) 48, 83 



oabalo 348 



salvini 475 



sapipoca 128 



sapo (Pimelodus) 130 



I Rhamdia) 120, 131 



scabriceps (Bunocephalus) 14, 15 



(Plecostomus commersonii) 



397, 405 



scaphirhyuchus (Ancistrus) 419 



(CbBetostomus) 419 



(Heniiancistrus) 419 



schomburgkii (Chietostomns) 420 



(Hemiancistrus) 420 



(Rhamdia) 118,122 



Sciadeichtbys 29, 42, 43, 190 



Soiadeoides 190, 191 



Sciades 42, 100, 190 



Scleromystax 450 



scolapaciua 358 



scopularius 400 



sei'ophus 430 



sebtB (Ageneiosiis) 309 



(Pimelodus) 123, 126, 128 



(Rhamdia) 113,123 



seemanni (Arius) 78 



(Galeichthys) 78 



(Tachisin-us) 47, 78 



Selenaspis 42, 45 



sellonis 127 



seminudus 398, 409 



semiscutatus (Brochis) 4C4 



(Corydoras) 464 



sericeus 443 



serratus (Chfelostomus) 417 



(Hemiancistrus) 417 



(Hypostomus) 417 



(Pseudacanthicus) 417 



setif era 382 



setosus (Chfetostomus) 435 



(Pseudancistrus) 4.S5 



sex-cirrhis 22 



sextentaculatus 127 



sicuephorus (Aspredo) 24 



(Platystacus) 21, 24 



sicyephorus 24 



SiluridiB 9, 28 



Siluridfe anomalopteree 311 



Siluroidei 28 



Siluroides 28, 351 



Sorubim 101,207,212 



Sorubimicbthys 101, 214 



spatula (Platystoma) 214, 217 



(Sorubimicbthys) 215, 217 



spectrum 22 



spiuiger 403 



spinosissimus (Doras) 223, 235 



(Plecostomus) 397, 400 



spinosus (Chsetostomus) 418 



(Hemiancistrus) 418 



(Hypostomus) 118 



spixii (Arius) 88 



(Hypophthalmus) 313 



(Loricaria) 363, 372 



(Pimelodus) 88 



(Pachisurus) 49,88 



splendens (Callichthys) 468 



(Corydoras) 465, 468 



squalinum 400 



squalus 26 



staunii 442 



stegelichii 124 



Stegophilinfe 11,317, 341 ' 



Stegopbilus 317, 342 



steindacbneri 267, 268 



Steindachneria 100, 202 



stenopeltis (Corydoras) 255 



(Doras) 250, 255 



(Hemidoras) 252, 255, 256 



(Oxydoras) 255 



stigmaticus 445, 446 



striatulus (Auchenipteruei) 277 



(Trachycorystes) 274, 277 



stricticassis (Arius) 68 



(Tachisiirus'grandicassis) 46,68 



strigilata 368 



strigosa 417 



stiibellii (Hemidoras) 252, 257 



(Loricaria) 363, 370 



(Oxydoras) 257 



sturio (Platystoma) 218 



(Ptatystomatichthys) 218 



Sturisoma 360, 362 



Stygogenes 349 



subcannatus ...403 



subulatus 456 



sulcatus 458 



surinamensis (Aceutronichthys). ..145, 146 



(Arius) 81 



(Galeichthys) 81 



(Heptapterus) 146 



