CRUSTACEA. 157 



Mi/si's vulgaris, J. V. Thompson ; Bell, op. cit. p. 339. 



Occasionally with the former in rock-pools; much less 

 common. 



Mysis Griffithsuv, Bell, op. cit. p. 342. 

 Not uncommon in rock-pools, and occasionally thrown on 

 the West Sands in multitudes after storms. 



Suhorder DECAPODA. 



Tribe Macrusa. * 



Fam. Palsemonidae. 



Genus PaLvEMON, Fab. 



Palwmon squilla, L. ; Bell, op. cit. p. 305. 



Common in pools beyond the Rock and Spindle and in the 

 stomachs of cod. 



Genus Paxdalus, Leach. 

 Pandalus annulicornis, Leach ; Bell, op. cit. p. 297. 

 Abundant from the laminarian region to deep water, and 

 also in the stomachs of cod and haddock. 



Genus Hippolyte, Leach. 



Hippolyte varians, Leach ; Bell, op. cit. p. 286. 



Frequent in rock-pools and ranging thence to deep water ; 

 stomachs of haddock. 



Hippolyte pusiola, Kroyer, M gr. af Slaegten Hippolytes 



Nordiske Arter, p. 319, pi. 3. f. 69-73 [fide Re v ." A. 

 M. Norman). 



Occasionally from the coralline ground amongst shells and 

 stones, and in pools at the East Rocks. 



