PAL^EMON. 
135 
Pal^emon squilla, Linn. sp. While Shrimp . — Beak 
not extending beyond the lamellar appendage of outer 
antennae, nearly straight, and toothed above throughout 
with from seven to eight teeth, while there are three or four 
below. 
A much smaller species than the P. serratus, and appa- 
rently not uncommon on our coasts. The Rev. A. Norman 
tells me he takes it off the Isles of Cumbrae and Arran, 
and at Palmouth and Land's End, in rock-pools. Other 
species beside this are named “ White Shrimp." 
Pal^emon v a mans, Leach. — Beak quite straight, tip en- 
tire ; above with four to six teeth, beneath with only two. 
Not a common species ; it is met with on the coasts of 
Devon and Dorset, and is also taken on the Irish shore. 
The Rev. Alfred Norman finds it off the coast of Guernsey, 
and in a note he kindly informs me, “ I have taken this 
species in great abundance at Clevedon, in a ditch far above 
ordinary high-water mark, of which the water was scarcely 
at all brackish ; it was in company with myriads of Rissoa 
ventricosa. I found some also farther up in a stream of 
clear running water, along with Aplexus hypnorum and other 
fresh- water shells." 
Pal^emon Leachii, Bell. — Beak nearly straight, with 
