CBU8TACEA OBSERVED IN PUBPECK. 59 



Marbled Swimming-Crab. Portunut marmoreua. Bell, 107. 



One specimen, in Studland bay, October, carrying the 

 remarkable parasite mentioned by Professor Bell. 



Henslow's Swimming-Grab. Polyhius Henslowii Bell, 

 116. 



A fine male, keer-dredging, November 2nd, 1865, in 

 Studland bay. 



Common Pea-Crab. Pinnotheres pisum. Bell, 121. 

 Common- in mussels oflf Durdlestone head. 



Masked Crab. Corystes Cassivelaunus. Bell, 159. 



Cast on shore in Swanage bay after easterly gales. 



II. Stalked-eyed Crustaceans having five pairs of thoracic ex- 

 tremities, and the giUs enclosed ; with anomalous tails. 



C Decapoda Anomoura. J 



Common Hermit-Crab. Pagurus Bemhardus. Bell, 171. 



Common in the deserted shells of the Whelk, (hence the 

 local name "Whelk-Crab"); and when small, in 

 empty shells of Litorina, Natica, Trochus, Murex, &c. 



Scaly Galathea. Galathea squamtfera. Bell, 197. 

 Now and then in prawn-pots in Swanage bay. 



Spinous Galathea. Galathea strigosa. Bell, 200. 



I took one specimen of this very handsome species in a 

 lobster-pot in October 1854. 



III. Stalked-eyed Crustaceans, having five pairs of thoracic ex- 

 tremities, and the gills enclosed ; with long tails. 



C Decapoda Macroura, J 



Lobster, ffomarua vulgaris. Bell, 242. 



The superior quality of the Swanage lobsters is well 

 known. 



