10 ART. S. S. TANAKA : DESCRIPTIONS OF ONE NEW 



The characters of the species arc inchided in tlie diagnosis 

 before given of the new genus established to receive it. The 

 type and the only existing specimen was obtained by Mr. Aoki 

 in Outside Okinose from a depth of about 400 fathoms in De- 

 cember 1908. It is contained in the University museum under 

 No. 2155. 



MEASUREMENTS OF A^TELIOCUrM/EBA CITyETIRHAMPHUS. 



Length from anterior margin of eye to posterior end of base of 



second dorsal ... ... ... ... ... ... ... ... .32.5 cm. 



Length from tip of snout to tip of caudal filament ... ... ... 80.0 „ 



Heignt of body at pectorals ... ... ... ... ... ... 8.0 „ 



Height of body at origin of ventral ... ... ... ... ... 7.3 „ 



Height of body at origin of lower caudal lobe ... ... ... 2.5 „ 



Length of head as measured from anterior margin of eye to upper 



edge of gill-opening ... ... ... ... ... ... ... 5.0 „ 



Length of head as measured from tij) of snout to upper elge of 

 gill-opening ... 



Horizontal diameter of eye 



Interorbital "width 



Length of snout as measured from anterior margin of eye to tip of 

 its long beak 



Width of head 



Distance from tip of snout to posterior end of base of second dorsal . . . 



Distance from tip of snout to origin of lower caudal lobe ... 



Distance from tip of snout to origin of upper caudal lobe ... 



Distance from posterior end of liase of second dorsal to origin of up- 

 per caudal lobe .. ,.. ... ... ... ... ... 4.2 „ 



4. Rhodeus tanago, n. sp. 



Height of body 2t, head about 4 in total length as measured 

 to root of middle caudal rays. Eye 2|, interorbital 2^, snout 

 83 in head. 



