COMPARATIVE STUDY OF SCOMBROID FISHES. 
475 
Thnnnus germo 434. 
Thunnus orientalis 437. 
Thynnus affinis 457. 
Thynnus albacora 448. 
Thynnus obesus 445. 
Thynnus pacificus 434. 
Thynnus sibi 445. 
Thynnus thunnina 457. 
Tongue 356. 
Troll line 397. 
Tunny long lme 397. 
Ureters 379. 
Urinary bladder 389. 
Urohyal 328. 
Vascular system 365. 
Venous system 367. 
Ventral fins 307. 
Vertebral column 336. 
Vertebral arterial system 374. 
Vertebral venous system 387, 379. 
Visceral arterial system 378. 
Visceral venous system 367, 371. 
Vomer 313. 
Published March 30th, 1923. 
