180 



J. E. G. Raymont 



Table II 

 Variation in quadrat samples. Two Im^ quadrats, A and B, were taken at each sampling 

 station. Numbers indicate the counts of large bivalves (>10 mm) taken in each ^m- 



sample. 



* _ 



1 Mya included 



Table III 

 List of fauna taken in regular samplings in North Bay 



Polycladida 



Nemertini 



Peloscolex benedeni Udekem 



Platynereis dumerilii (Audouin & Edwards) 



Nereis diversicolor O. F. Miiller 



Kefersteinia cirrata (Keferstein) 



Phyllodoce maculata (L.) 



Eteone longa (Fabricius) 



Notophyllum sp. 



Give era sp. 



Nephthys hombergi Lamarck 



Nephthys sp. 



Scoloplos armiger (O. F. Miiller) 



Pygospio elegans Claparede 



Pectinaria koreni Malmgren 



Arenicola marina L. 



Capitelia capitata (Fabricius) 



H e teromastus filiformis { Claparede) 



Fabricia sabella Ehrenberg 



Maldanidae 



Syllidae 



Macoma balthica (L.) 



Scrobicularia plana (da Costa) 



Cardium edule L. 



Mytilus edulis L. 



Mya arenaria L. 



Modiolus sp. 



Kellia suborbicularis (Montagu) 



Abra prismatica (Montagu) 



Paphia decussata (L.) 



Paphia pullastra (Montagu) 



Hydrobia ulvae (Pennant) 



Littorina littorea (L.) 



Littorina littoralis (L.) 



Cylichna cylindracea (Pennant) 



Philine aperta (L.) 



Accra bullata O. F. Miiller 



Amphipoda 



Gammarus sp. 



Corophium volutator (Pallas) 



Isopoda 



Jaera sp. 



Idothea granulosa Sars 



Sphaeroma rugicauda Leach 



Crangon vulgaris L. 



Praunus neglecta G. O. Sars 



Chironomus salinarius Kieff. 



Chironomid larvae 



Chironomid pupae 



Other larval Diptera 



Ophiura texturata Lamarck 



