Joui-. Coll. Agric. l/ol. Vlll. No. 3. 



Dorsal aortn 

 Cardinnl vein 



h 



Scomber japonicus 



Cutaneous blood-vessels 



Auxis iivxru 



Ilypaxiftl ti ndon nltiulu'il 

 to thu tail 



^nrh^fll^^'<'f'^<' 



Dorsal aorta Curdiuul vein 



S- Kikkawa del. 



