104 



SCOMBKOXE. 



" Body generally elongate, compressed, naked, or 

 covered with scales of small or moderate (nomeina) 

 size ; eye lateral. Dentition variable. The infra- 

 orbital bones do not articulate with the prseoper- 

 culum. The spinous dorsal less developed than the 

 soft or than the anal, either continous with or sepa- 

 rate from, the soft portion, sometimes rudimentary 

 or entirely absent. The soft dorsal and the anal 

 sometimes divided posteriorly into unlets. Ventrals 

 thoracic, sometimes rudimentary or entirely absent. 

 No prominent papilla near the vent. Gill-opening 

 wide ; generally seven branchiostegals. Pseudo- 

 branchiaB, and an air-bladder ; pyloric appendages 

 generally in great number. 



" Inhabitants of the high seas of nearly all the 

 regions, many of the species having a very wide 

 range." 



THYNNTTS. 



Genus formed of a small number of large species, found in 

 the temperate and warm seas. One alone appears in the Mel- 

 bourne Market, and it has not been yet described, as far as I can 

 ascertain. 



THTJSTNTJS MACCOYU. 



(The Bonite.) 

 The height is four times in the total length ; head three and 

 one-third in same ; the thickness of the body is contained one 

 and two-third times in the length ; the body is short and thick. 

 The lower jaw is rather longer than the other; the orbit is 

 not quite five times in the length of the head. The body is 

 covered with very small scales, but along the back there is a line 



