FISHES CONTAINED IN MUSEUMS OF JAPAN. 311 



9. Trachypterus ijimae, Jordan and Snyder, new species. 

 (PI. XVII, fig. 9). 

 D. VI -137. 



Profile vertical ; depth greatest at nape. Body abruptly 

 constricted behind vent ; not gradually tapering as in T. ishikawœ. 

 Eye larger, snout much shorter than in the latter. Lower part 

 of tail with a double row of hooked spines ; 6 dorsal spines 

 separated ; filamentous, their tips reaching past caudal. Ventrals 

 little shorter than dorsal. Color silvery ; no dark spots. 



Type, a young specimen about 1 ft. long ; no. 590, Imperial 

 Museum, Tokyo. Locality off the mouth of the Bay of Tokyo, 

 between Misaki and Böshu. This pretty species is named for 

 Dr. LsAO Ijima, Professor of Zoology in the Imperial University. 



Leland Stanford Jr. university. 

 Sept. 20, 1900. 



