THE SHORE FAUNA OF CARDIGAN BAY. Ill 



Macoma balthica, Linnseus. Abundant on Cockle beds. (C. L. W.) 



Donax vittatus, da Costa. Borth. (C. L. W.) 



Tapes decussatus, Linnaeus. Aberystwyth. (H. J. F. ; F. S. W.) Oc- 

 casionally ; Aberdovey, not uncommon ; Monlv's Cave (south of 

 Aberystwyth). (C. L. W.) 



T. virgineus, Linnaeus. Borth, etc. (C. L. W.) 



Cardium edule, Linnaeus. Very abundant in the various estuaries 

 (C. L. W.) 



Saxicava rugosa, Linnaeus. Aberystwyth, Clarach, etc. Often with 

 Sabellaria. (H. J. F. ; C. L. W.) 



CRUSTACEA. 



[I am indebted to Mr. F. S. Wright for this list, and the records are his 

 unless otherwise indicated.] 



Canthocamptus palustris, Brady. Aberystwyth, Clarach, etc. (H. J. F.) 

 Balanus balanoides, Linnaeus. Aberystwyth. (H. J. F.) 

 B. perforatus, Bruguiere. Aberystwyth, etc. (C. L. W.) 

 Chthamalus stellatus, Poli. Aberystwyth, etc. (C. L. W.) 

 Verruca stroemia, 0. F. Miiller. Aberystwyth, etc. (C. L. W.) 

 Sacculina carcini, Thompson. Aberystwyth, etc. On Carcinus. (H. J. F. ; 



C. L. W.) 

 Dexamine spinosa, Montagu. Aberystwyth. Common. 

 Amathilla homari, Fabricius. Two specimens in stony pools, very low 



water, Aberystwyth. (C. L. W.) 

 Gammarus pulex, de Geer. Aberystwyth, etc., common. 

 G. locusta, Linnaeus. Aberystwyth, etc., common. 

 Caprella linearis, Linnaeus. At low water, Aberystwyth. 

 Calliopius laeviusculus, Kroyer. Aberystwyth and Clarach. 

 Idotea baltica, Pallas, Aberystwyth. 

 I. marina, Linnaeus. Aberystwyth. 

 Sphaeroma serratum, Fabricius. Aberystwyth, common. 

 Jaera marina, Fabricius. Aberystwyth, common under stones. (C. L. W. 



F. S. W.) 

 Gnathia edwardii, Spence Bate. A female was discovered under a fixed 



stone in a deep pool. It occupied a burrow within a colony of 



Halichondria panicea, and within the burrow were found a number 



of small yellow ova, June 24th, 1910. 

 Ligia oceanica, Linnaeus. Common. 

 Leander serratus. Pennant. Aberystwyth, common. 

 Crangon vulgaris, Linnaeus. Common. 



