ON CRUSTACEA. 
313 
We shall now take leave of the decapod order of Crustacea, 
by a brief notice of the prawns and shrimps , Pal^emon and 
Crangon. 
The latter are very distinct from the former by several cha- 
racters. They arc, as is well known, in great estimation for 
the table, and they are also used as bait in fishing. Their 
ordinary movements are forward, and by jumps ; but when they 
fear any danger, they escape by running backwards. They 
live on little animals, which they seize with their claws, and 
on such as are dashed by the waves against the rocks ; but 
they are themselves the prey of a great number of marine 
fishes, aquatic birds, echini, asteriae, &c. Their flesh is less 
esteemed than that of the prawns or palaemon, with which 
they have often been confounded. 
The pal&mons , or prawns, appear to belong to the division 
of decapod Crustacea, which the Greeks named Karis , and 
the Latins have rendered by the word Squilla. They must, 
however, be carefully distinguished from the squilla of Fa- 
bricius, which belongs to the order of Stomapods. They are 
marine Crustacea, which in the summer frequent the mouths of 
rivers ; they are also found in salt and brackish marshes ; they 
are fished for by means of a net, in the form of a sac, attached 
squarely to the end of a pole, or with large nets with close 
meshes, which are thrown to a distance into the sea, and 
which bring back innumerable quantities of them to the shore. 
As these animals approach very closely to the beach, it is 
sufficient, if the first means be employed, to enter into the 
water as far as the waist, to plunge the net there, and to drag 
it before one in returning to land. 
Olivier tells us, that in the Levant they salt the large 
species, which they preserve in large baskets, constructed 
principally of the leaves of the palm-tree, and that they are 
sent in this state to Constantinople, Smyrna, and into all the 
towns of Turkey, where the Greeks and Armenians consume a 
