78 HISTORY 01' BRITISH CRUSTACEA. 



Pa gurus Thompsons Bell. — The whole of the legs hispid 

 and spinous, anterior pair unequal ; the wrist as long as the 

 hand ; eye-stalks extending to half the length of the last 

 joint of the peduncle of the outer antennae ; spine of an- 

 teima3 curved outwards, and famished with a row of small 

 spines on the outer edge. 



First described by Professor Bell from a specimen dredged 

 in fifty fathoms, by Mr. Hyndman, in the entrance of Bel- 

 fast Bay. 



Pagurus Dillwynii, Bate.— Pirst pair of feet unequal, 

 left much longer than the right, second and third joints 

 armed with teeth j outer antennae shorter than in any other 

 British species, not so long as longest fore-leg. 



Pirst described by Mr. Spence Bate from a specimen 

 taken near the Worm's Head, Swansea, where it is said to 

 burrow rapidly in the sand. It is also found in Cornwall. 



Pabricius has described in his Supplement (p. 414) a 

 Pagurus from the coasts of Scotland, under the name of 

 P. Araneiformis. It may be one or other of the preceding. 



Pam. PORCELLANIDjE, M. Edw. 

 Tail ending in swimming-plates, much as in the Ma- 



