340 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxih 



Family SILURID.E. 



PLOTOSUS ARAB (Forskal). 



{Plotosun anffuiUaris LacL'pede. ) 

 {Ploiosus linealus Schlegel. ) 



Tokyo (Otaki). 



PSEUDOBAGRUS AURANTIACUS (Temminck and Schlegel). 



Tokyo (Otaki). 



PARASILURUS ASOTUS (Linnaeus). 

 {SUurusjaponicu.'< Teiiniiinck and Schlegel.) 

 Tokyo. Lake Biwa (Otaki). 



Family COBITID^. 



MISGURNUS ANGUILLICAUDATUS (Cantor). 



Tokyo (Otaki). 



COBITIS JAPONICA (Temminck and Schlegel). 



Lake Biwa (Otaki). 



Family CYPRINID^. 



CYPRINUS CARPIO Linnaeus. 



Tokyo (Otaki). 



CARASSIUS AURATUS (Linnaeus). 

 Tokyo (Otaki). 



HEMIBARBUS BARBUS (Temminck and Schlegel). 



{Barhus nchlegeU Giinther. ) 



Lake Biwa (Otaki). 

 Tokyo {Albatross). 



GOBIO BIW^ Jordan and Snyder, new species. 



(Plate IX, tig. 1.) 



Type specimen.— ^o, 49399, U.S.N.M. 



Locality.— LiSike Biwa, Japan, near Matsubara. Collector, C. 

 Ishikawa. 



JJescrijjtlofi. — Head, 4^ in length; depth, 4^; depth of caudal pedun- 

 cle, 3 in head; eye, 3; snout, 3i; interorbital space, 4i; height of 

 dorsal, 5 in length; anal, 9; length of pectoral, 5^; ventral, 6|; cau- 

 dal, 3f ; number of dorsal rays, 8; anal, 7; scales in lateral series, 39; 

 in transverse series, counting upward and forward from origin of 

 ventral, 9. 



Body oblong; the dorsal, A'entral, and lateral contours sloping grad- 

 ually and evenly from the region of the dorsal to base of caudal; 



