ERGASILIDiE. 
323 
of much motion, and are more adapted than any of the others 
we have yet described for living strictly as parasites. They 
seem to bury their beak in the flesh of their prey, and no 
doubt cause much irritation to their unwilling host. The 
gill-covers to which they were found adhering, showed the 
marks of inflammation of long standing, as they were much 
thickened.”* 
Anthosoma Smithii, Leach. Bud-like SharJc-sucicer . 
(Plate XIX. fig. 5.)— Of an elongated- oval form, and of a 
yellowish-white colour, with a black spot on the middle of 
the head, disappearing after death. 
Pound sticking on a shark {Lanina Cornnhica) thrown 
ashore at Exmouth. Dr. Leach gave this the generic name 
from the creature having some resemblance to the half-opened 
bud of a flower. 
Fam. ERGASILIDIE. 
Head of moderate size, rounded. Body oval or pyriform; 
the thorax sometimes much enlarged laterally. Feet very 
small and branched ; abdomen well developed. 
* British Entcrmostraca, p. 298. 
