Plate XVII. 



Y\g. 9 : — Trachypterus ijimœ Jordan and Snyder. 



Side view. Photographed from the type-specimen. 

 Y\g. 10: — Trachypterus ishihawœ Jordan and Snydeh. 



Side view. Photographed from the type-specimen. 



3_ 

 '20" 



