132 HISTORY OF BRITISH CRUSTACEA. 
integument. Ever and anon the tiny forcipes of the hand 
are employed to seize and pull off any fragment of ex- 
traneous manner which clings to the skin too firmly to be 
removed by brushing; it is plucked off and thrown away, 
clear of the body and limbs. The long antennm and all 
the other limbs are cleaned by means of the foot-jaws prin- 
cipally.” 
Mr. Warington has published in the f Zoologist 9 for May 
1855, many interesting observations on the Natural History 
and Habits of the Prawn, and from this account we borrow 
a passage describing its change of skin. “When the period 
arrives at which the Prawn is about to throw off its old ex- 
ternal covering, it ceases to feed, and seeks about from spot 
to spot in a restless and fidgety manner, until it has fixed 
on a locality apparently sufficiently adapted for the purpose 
required, and suited to its fancy; for this really appears at 
times to be the case. The third, fourth, and fifth pairs of 
legs are then stretched out wide apart, and the feet hooked 
so as to hold firmly upon the surrounding substances, in 
such a way that the body may be poised and capable of 
moving freely in all directions, as though suspended on 
gimbals. The Prawn then slowly sways itself to and fro, 
and from side to side, with strong muscular efforts, appa- 
