CRUSTACEA. 149 



Division Htpesina. 



Fam. HyperiidsB. 



Genus Hyperia, Latreille. 



Hyperia viedusarum, 0. F. Miiller ; B. & W. op. at. ii. p. 12 

 (as H. (/alba). 



Common in the cavity of Aurelia aurita ; each medusa had 

 six or eight large examples. The Lestrigonus Kma/iam, 

 Bate, is a sexual variety (male). Some large specimens are 

 found swimming freely on the siuface of the water. 



Hyperia ohlivia, B. & W. op. cit. ii. p. 17. 

 In a tide-pool on the West Sands after a storm. 



Group ABERRANTIA. 



Fam. CaprellidsB. 

 Genus ^gina, Kroyer. 

 .iEgina phasma, Mont. ; B. & W. op), cit. ii. p. 45. 

 Abundant in the debris of the fishing-boats. 



t3 



Genus Caprella, Lamarck. 

 Caprella linearis, L.; B. & W. op. cit. ii. p. 52. 

 Plentiful in the same locality. 



Caprella lohata, 0. F. Muller j B. & W. op. cit. ii. p. 57. 

 Frequent in the fishing-boats. 



Caprella tuberculata, Gudrin ; B. & W. op. cit. ii. p. 68. 

 Common on Ceramium rubruni in rock-pools, and in the 

 stomachs of cod and haddock- 



Caprella hystrix, Bate ; B. & W. op), cit. ii. p. 63. 

 Not uncommon in the fishing-boats. The Eev. A. M. 

 Norman does not think this is the C. kysirix of Kroyer, hut 

 rather the C. septentrionalis of that author. 



