12 
Tas. LXV. 
Sp. 3. PONTOBDELLA SPINULOSA. 
P. corpore spinuloso.* ? «© 
Habitat in Anglize Borealis et Caledsnize mari raiorum san- - 
guinem exhauriens. io _ 
‘tes? 
SPINULOSE SEALEECH. 
Body spinulose. 
- This species is frequently found in the North-British 
seas adhering to skates, whence it derives ta common ap-— 
pellation of shate-sucher. ow as 
In young specimens the spinules : are disposed i in irregular 
rings, but in older speelmpenats e pecially when much dis- 
tended with blood, they. are ir regularly and widely —— | 
over the body. 
_ When bruised they emit a dark liquor, that stains of a 
beautiful purple colour. 
