498 



oligospilus (Ancistrus), 417. 



» (Chíetostoraus), 22, 417. 



» (Hemiancistrus), 54, 59, 417. 



opiitalmicus (Pimelodus), 449. 

 orbigoyanum (Platystoma), 464. 

 orestis (Hassar), 14, 185, 436. 



i> (Oxydoras), 14, 436 

 ornatus (Pimelodus), 11. 285, 287, 454. 

 ortoni (Suriibiraichthys), 460. 

 Otocinclus, 28 A, 91. 



n affinis, 422. 



I. cephalacanthus, IS, 91, 93. 



» flexilis, 15, 91, 96. 



» leucofrenatus, 18, 91, 94. 



» maculicauda, 14. 



i> nigricauda, 18. 



» notatus, 16, 91, 93. 



.. obtusos, 18, 91, 95, 

 vittatus, 18, 91, 93. 

 Oxidoras, 171 193. 



1. affinis, 14. 



bachi, 18, 193, 196. 



1) eigenmanni, 18. 



.. elongatus, 18, 193, 195. 



1) kneri 12, 193, 194. 



» morei, 14. 



» nattereri, 14. 



» niger. 8, 193. 



)i oreitis, 14. 



a trachyparia, 18. 



>i trimaculatus, 18. 

 oxyrhyncha (Acestra), 11, 424. 



(Farlowella), 11, 103, 104, 424. 

 Oxyropsis, 28 A, 101. 



11 carinatus, 14, 101. 



Pacamã-do-Rio, 254. 

 Pacú Branco, 358. 

 ,. do-Rio, 254. 

 paleatus (Callichthys), 433, 434. 



i> (Corydoras), 157, 160, 433, 434. 

 Panaque, 28 A, 63. 



11 cochliodon, 11, 64. 

 11 nigrolineatus, 13, 64, 66. 

 pantherinus (Pimelodus), 455. 



pantherinus (Plecostomus), 415. 

 Papai, 348. 



paplionatus (Doras) 441. 

 Paradiplomystes coruscans, 8. 

 paraguaj-ensis (Hemiodoras), 435. 

 parahemiodon (Loricaria), 426. 

 parahyb» (Ancistrus), 411. 



(Delturus). 16. 70, 419. 

 11 (Platystoma^, 15, 458. 



» (Plecostomus), 421. 



11 (Pseudopimelodus), IS, 258, 447. 



» (Rhinelepis, 14, 82, 421. 



11 (Steindachneria),15, 293,299, 458. 



Parancistrus, 28 A. 



11 aurantiacus, 11, 62. 



II punctatissimus, 11, 62. 



Parasturisoma, 28 A, 62, 109. 



11 brevirostris, 16, 109. 



Pardale (Platystoma), 464. 

 pardalis (Ageneiosus), 478. 

 11 (Hypostomus), 419. 

 .1 (Liposarcus), 410. 



11 (Platystoma) 464. 



11 (Plecostomus), 420. 



11 (Pterygophichthys), 420. 

 Pareiodon, 219, 232. 



11 microps, 11, 232, 233. 



» pusillus, 11, 232, 234. 

 Papa-Isca, 295. 



11 11 Açú, 246. 

 parkeri (.Arius), 467. 



11 (Galeichthys), 467. 



11 (Selenaspis), 467. 



11 (SiUirus), 9, 467. 



,1 (Tachysurus) 9, 337, 344, 467. 

 parnahybae (Doricaria), 14, 116, 140, 430. 

 Parotocinclus, 28 A, 86. 

 Parotocinclus maculicuada, 14, 87. 

 parrse (Galeichthys), 469, 470. 

 parva (Loricaria), 18, 116 A. 125, 423. 

 pati (Luciopimelodus), 458. 



11 (Pimelodus) 9, 457, 468. 

 Paulicea, 236 A, 317. 

 11 jahu. 16, 317. 



11 lutkeni, 13, 317. 



paulina (Loricaria), 430. 

 paulinus (Plecostomus), 41.".. 



