FISHES OF THE BEITISH ISLANDS. 
MAILED CHEEKS. 
family of fishes, that it contains a 
hp rl ■which the remarkable appearance of the 
•wBipt, armed and protected, gives a peculiar aspect 
althnn caused them to be arranged in special genera, 
plhf ^ith the family of 
beneath' character consists in having the bone 
arZSL^l ° 1 the cheek, and 
articulated beneath with the first bone of the gill-cover. The 
this class receive an extensive development, and are prenared 
for functions somewhat difi-erent from those extcTsId bv he 
frired^r “t" of iwl, l*: 
rtich Lrt P™'> of >on.atio„. for the exercise of 
It tSc^o »f '"o™ fl»o ordinary 
rf rr£:hHS~If 
of man, the radius and ulna. The form^Hn f “^‘omy 
these fins enables them ,„ exercise extensive mlion'IT?, in 
their inoie natural position, they are laid flat on the sides of 
the fish with a direction backward, those rays become the 
lowest which are most disengaged from their connection with 
others, and so answer more nearly to the human thumb and 
VOL. H. 
