VI • TABLE OP CONTENTS. 



Family Engraulidae 22 



Genus Stolephorus 22 



tapii'ulus 23 



peruanus 23 



Genus Engraulis 23 



ringens 23 



Nasus 24 



Family Leptocephalidae 24 



Genus Leptocephalus 24 



multimaculatus 24 



peraanus 24 



Genus Ophiohthus 24 



grandimaculatus 24 



callaensis 25 



pacifici m 25 



Genus Gymnothorax 26 



wieneri 26 



Family Characinidae 27 



Genus Biycon 27 



atricaudatus 27 



Genus Astyanax 27 



peraanus 27 



Genus Lebiasina 29 



bimaculata 29 



Family Siluridae 30 



Genus Galeichthys 30 



peruvianus 31 



simonsi 31 



Genua Tachysurus 32 



equatorialis 32 



Genus Rhamdia 33 



gilli 33 



Genus Pimelodella 33 



yuncensis 33 



Genus Pygidium 33 



poeyanum 34 



rivulatum 34 



taenia 35 



laticeps 35 



oroyae 35 



dispar 35 



punctulatum 35 



pardum 36 



quechuorum 36 



Family Loricariidae 37 



Genus Chaetostomus 37 



loborhynchus 37 



Genus Cyclopium 37 



simonsii _ . 37 



Family Poeciliidae 37 



Genus Aplocheilus 37 



peruanus 37 



Genus Orestias 37 



cuvieri 38 



pentlandii 39 



