104 
SCOMBEID^. 
“ 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 finlets. Ventrals 
thoracic, sometimes rudimentary or entirely absent. 
No prominent papilla near the vent. Gill-opening 
wide ; generally seven branchiostegals, Pseudo- 
branchise, 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.” 
THTNNFS. 
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. 
THTNNUS MACCOXii. 
{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 
