9 3 OSBECK'S VOYAGE. 



The tunny is a fi(h very like the above- 

 mentioned bonnet, but may be eafily diftin- 

 guifhed from it by the longer pectoral fins, and 

 the white belly. The difference is more 

 plainly feen in the following defcription : 



Scomber albicans e pinna prions dorfi ojjiculis 

 quatuordeeim, pinnidis fubtus inter caudam et 

 a nam oclo P. D. prior officulis quatuordcchn : 

 posterior duodecinu P. pecloralis triginta duo, 

 P. ventralis few P. ani tredecim. Cauda tri- 

 ginta ojjiculis* 



The Jirjl dorfal fin has hard rays, and the 

 hindmofl of them fold into a furrow of the 

 back : xhtfecond dorfal fin is flexible, triangu- 

 lar, as in the bonnet ; its eight firft. rays are 

 longed ; they are fingle, and of the length 

 of the firft fin ; the remaining rays were gra- 

 dually fhorter and divided into many branches; 

 it is connected with the eight flexible fmall 

 fins, whofe rays are divided : the pecloral fins 

 are about fix inches long, and treble the 

 length of thofe of the bonnet; they have 

 thirry-two rays : the ventral fins have fix rays : 



e Scomber Thymus, Linn. Syll. Nat. 493. 



the 



