4, Auxis. 369 



behind the dorsal and anal. Scales of the pectoral region forming a 

 eorslet. Teeth very small ; none on the jmlate. A longitudinal keei 

 on each side of the tail. iSeven bi'anchiostegals ; air-bladder none. 

 Pyloric appendage dendi-itical. 



Seas of the temperate and tropical regions. 



1. Auxis rochei. 



Scomber rochei, Hisso, IcktJi. Nice, p. 165. 



Thynnus rocheanus, liisso, Eur. Merid. iii. p. 417. 



Auxis vulgaris, Cui\ if Vai. viii. p. 139. pi. 216 ; Yarrell, Brit. Fishes, 



L p. 160 ; Cur. Ri'gne Anim. III. Poiss. pi. 48. f. 1 ; Lowe, Proc. ZuoL 



Soc. 1850, p. 248. 

 ? Auxis taso, {Commers.) Cuv. Sf Veil. viii. p. 146. 

 Auxis bisus, (Rajin.) Wliite, Catal. Brit. Fishes, p. 32. 

 thynuoides, Bleeker, Ternate, v. p. 301. 



D. 10-11 1 12 j VIII. A. 12-14 I VII. Vert. 39. 



The height of the body is 4| (in young individuals six times) in 

 the total length, and equals the length of the head. The pectoral 

 reaches to the end of the first dorsal. Back blue, variegated with 

 darker — uniform in old age ; belly silveiy. 



Mediterranean ; tropical parts of the Atlantic ; East Indian 

 Archipelago. 



a. Adult J skin. -Jamaica, From Dr. Parnell's Collection. 



b. Half-grown. Amboyna. Piu'chased of Mr. Frank. 



c. Adult. From the Collection of the Zoological Society. 



d. Adult : stuffed. 



2. Auxis taperaosoma. 



Bleeker, Japan, p. 408, and Verhwid. Batav. Genootsch. xxvi. Japan, 

 p. 98. tab. 7. f. 1. 



D. 12 U I IX. A. ^, I VII. 



The height of the body is 6| in the total length, the length of the 

 head A^. The pectoral does not reach to the vertical from the end 

 of the first dorsal, and its length is 9^ in the total. Back bluish, belly 

 sUvery. (Bleek.) 



Sea of Japan. 



5. CYBIUM*. 



Cybium, Cuv. Regne Anim. ; Cuv. S,- Val. viii. p. 164. 



Body oblong or rather elongate ; cleft of the mouth wide. The 

 first dorsal continuous, with the spines rather feeble, and extending 

 on to the second. Generally seven or more spurious fins behind the 



» 1. Cybium elupeoideum. (Brouss.) Cuv. # Val. viii. p. 178. — Norfolk Island. 



2. mertensii, Cuv. ^ Val. viii. p. 179 ; Cuv. Regne Anim. III. Poiss. 



pi. 48. f. 3.— i?«A. ? 



3. Scomber sinensis, Lacep. iii. p. 23. — Cybium chinense, Cuv. ^ Val. viii. 

 p. 180; Faun.Jnpov. Pains, p. 100. pi. ■>''>. f- 1- — Chinese and Japanese 

 Seas. -J- 



VOL. II. 2 B 



