Contributions to the Comparative Study of the 
So-called Scombroid Fishes. 
Kamakichi Kishinouye. 
College of Agriculture, Tokyo Imperial University. 
With Plates XHI-XXXIY and 26 Text-figures. 
CONTENTS. 
« 
Diagram showing a new scheme of classification of the scombroid fishes. 
Introduction . 295 
Comparative anatomy. 296 
External characters. 296 
External form of the body. 296 
Size . 298 
Colours and markings. 298 
Head. 301 
Lateral line. 303 
Skin and scales. 305 
Fins. 306 
Skeleton . 309 
Skull. 310 
Jaw bones. 320 
Opercular bones. 323 
Hyoid arch. 326 
Branchial arches . 328 
Pectoral girdle . 331 
Pelvic gird 1- .. 334 
Vertebral column. 336 
Bibs and intermuscular bones .. 311 
Im'erspinous bones . 343 
Muscular system . 345 
Ligaments and tendons . 350 
Nervous system and sense organs.... 351 
Abdominal cavity. 353 
Air-bladder. 354 
Digestive system . 356 
Respiratory system. 363 
Vascular system . 365 
Renal organs. . 379 
Reproductive system. 380 
Biology and ecology. 381 
Habit . 381 
Food. 383 
Development and growth.384 
Locomotion. 388 
Migration. 389 
Distribution . 390 
Enemies and parasites. 394 
Fishery . 394 
Hook and line . 396 
Drift-net. 398 
Seines . 399 
Pound-nets. 399 
Classification. 400 
Teleostei. 409 
Acanthopterygii. 400 
Scombridæ . 400 
Cybiidæ . 407 
Plecostei. 428 
Thunnidæ . 432 
Katsuwonidæ .450 
Bibliography . 465 
Explanation of plates. 468 
Index to the vernacifiar names of scom¬ 
broid fishes. 472 
Index . 473 
[Jour. Coll. Agric., Vol, VIII, No. 3.] 
