310 
CARTILAGINEI. — SQUALID^. 
{Scyllium catulus, Linn.), here represented, is 
the handsomer and the larger. It attains a length 
of three feet ; is of a brownish grey hne on the 
upper parts, and whitish beneath; the whole 
elegantly studded with large round spots of black, 
or deep brown. 
SPOTTED DOG-FISH. 
The Dog-fishes are excessively voracious, and, 
in the pursuit of prey, seem at times quite fearless 
of man. They follow vessels with eagerness, 
seizing everything eatable that is thrown over- 
board ; they have even been known to dart at 
fishermen, and at persons bathing in the sea; 
though their comparatively small mouths, and 
their weakness, prevent their ability to infiict 
serious mischief in this way. They are, however, 
hated by the fishermen on account of the depre- 
dations they commit on more valuable fishes than 
themselves, great quantities of which they devour, 
when taken in the nets. The Dog-fish itself is 
often captured both by the net, and by the hook ; 
but is perfectly valueless when caught ; except 
for the trivial use that is made of the skin in 
polishing. 
On the coasts about Scarborough, where the 
Haddocks, Cod, and Dog-fish, are in great abun- 
