Crustacea of St. Andrews. 271 



Genus N^NiA, Bate. 

 Ncenia tuberculosa, Bate ; B. & W. op. cit. i. p. 472. 

 Occasionally in the debris of the fishing-boats. 



Ncenia rwiapahnata, Bate ; B. & W. oj). cit. i. p. 474. 

 With the former. 



Ncenia excavata. Bate ; B. & W. op. cit. i. p. 476. 

 Common in the same debris from the coralline ground. 



Subfamily Corofkiibes. 

 Genus COROPHIUM, Latreille. 



CoropJiiiiint grossipes, L. ; B. & W. op. cit. i. p. 493 (as G. lon- 

 gicornis). 

 Abundant in the brackish pools near the mouth of the Eden, 

 and occasionally at the West Bocks. It is common in July : 

 swims excellently on its back. 



Division Hypesina. 



Fam. Hyperiidae. 



Genus Hyperia, Latreille. 



Ilyperia medusarum^ O. F. Miiller ; B. & W. op. cit. ii. p. 12 

 (as II. galba). 

 Common in the cavity of Aiirelia aurita ; each medusa had 

 six or eight large examples. The Lestrigonus Kinaliani, 

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

 found swimming freely on the surface of the water. 



Ilyperia ohlivia, B. & W. op>. cit. ii. p. 17. 

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



Group ABERRANTIA. 



Fam. Caprellidae. 

 Genus iEGiNA, Kroyer. 

 jEgina j^^asnia, ]\Iont. ; B. & W. op. cit. ii. p. 45. 

 Abundant in the debris of the fishing-boats. 



