470 
KAMAKICHI KISHINOUYE : 
Fig. 38. Skeleton of Gÿmnosarda nuda. a. Dorsal view of the skull, b. Ventral view of the 
skull. c. Ventral view of anterior precaudal vertebrae to the first vertebra in which the haemal 
arch is closed, d. Dorsal view of the vertebrae of the caudal peduncle. 
PLATE XXm. 
Fig. 39. 
Skeleton of Acanthocybium solandri. a. Dorsal view of the skull, b. Ventral view 
of the skull. 
c. Ventral view of anterior precaudal vertebrae to the first vertebra with the closed 
haemal arch. d. Dorsal view of the vertebrae of the caudal peduncle. 
Fig. 43. Skeleton of Oybium chinense. a. Dorsal view of the skull, b. Ventral view of the 
skull with following vertebrae, c. Dorsal view of vertebrae of the caudal peduncle. 
PLATE XXIV. 
Fig. 41. Skeleton of Oybium niphonium. a. Dorsal view of the skull, b. Ventral view of 
the skull and precaudal vertebrae, c. Dorsal view of vertebrae of the caudal peduncle. 
Fig. 42. Skeleton of S irda orientalis. a. D usai view of the skull, b. Ventral view of the skull. 
c. Ventral view of anterior precaudal vertebrae, d. Dorsal view of vertebrae of the caudal peduncle. 
PLATE XXV. 
Fig. 43. 
Thunnus orientalis. Immature specimen, about six months old. 
Fig. 44. 
Skelton of the above. 
Fig. 45. 
PLATE XXVI. 
Ntothunnus macropterus. (Immature). 
Fig. 46. 
Thunnus (jermo. 
PLATE XXVII. 
Fig. 47. 
Parathunnus inebachi. (Immature). 
Fig. 48. 
Neothunnus rarus. 
PLATE XXVIII. 
Fig. 49. 
Skull and vertebral column of Parathunnus inebachi,. 
Fig. 50. Skull and vertebral column of Thunnus Orientalin. 
a. Dorsal view of the skull, b. Ventral view of the skull, c. Ventral view of the 
¥ 
Fig. 51. 
Fig. 52. 
anterior vertebrae till the first haemal arch is closed. Anterior Zygapophyses 
of the second vertebra are represented in Th. orientalis only. d. Dorsal view 
of the caudal vertebrae. (TA. orientalis, ventral view ?) 
PLATE XXIX. 
Skull and vertebral column of Neothunnus macropterus.. 
Skull and vertebral column of Thunnus gcrmo. 
