SOUTH AMERICAN NEMATOGNATHI. 135 



55. Pimelodus labrosus Kroyer. 



56. Pimelodus valencieunis Kroyer. 



57. Pimelodus westermanui Reiuhardt. 



58. Pimelodus altipinnis Steiudachuer. 



Locality: Para. 



59. Pimelodus fur Reiuhardt. 



Pimelodus microstomus Steindachner. 



Localities: Rio das Velhas; Giquitiba; Rio Sau Fraucisco. 



IX. GEN. NOV. ? 



Head beliincl the eyes granulated; fontanel not extending 

 behind the eyes; occipital process not reaching the dorsal 

 plate. Barbels compressed, ribbon-like. 



60. Pirinampus (?) agassizii Steiudachuer. 



X. CoNORHYNCHOS Bleeker. 

 § Conorhynchos. 



61. Conorhynchos conirostris (Cuv. & Val.) 



§ Nov. ? 



62. Conorhynchos glaber steiudachuer. 



XI. Bagropsis Llitken. 



63. Bagropsis reinhardti Liitken. 



XII. PiRAMUTANA Bleeker. 



64. Piramutana piramuta (Kuer.) 



XIII. Platynematichthys Bleeker. 



65. Platynematichthys punctulatus (Kuer.) 



Bagrus nigripunctatus Kuer. 



66. Platynematichthys araguayensis (Casteluau.) 



XIV. Phractocephalus Agassiz. 



67. Phractocephalus hemiliopterus (Bloch & Schneider.) 



Phractocephalus hicolor Agassiz, 



Localities: Xiugu ; Coary ; Teflfe ; Mauacapuru ; Obidos ; Lake Hy- 

 auuary. 

 2d Ser. Vol. I. (10) Issued July 18, 1888. 



