126 MARINE FAUNA OF ST. ANDREWS. 



Genus Flabelligera, Sars. 

 Flabelligera affints, Sars ; Mgrn. op. cit. p. 83. 

 Frequent in deep water, and sometimes between tide-marks. 



Fam. 25. Chaetopteridae. 



Genus CH.aiTOPTERUS, Cuvier. 

 Chcetopterus norvegicus, Sars ; Mgrn. op. cit. p. 88. 

 Occasionally in the stomachs of haddock. 



Genus M.ffiA, Johnst. 

 Mesa mirahilis, Johnst. Cat. Brit. Mus. p. 278. 

 Not uncommon amongst gravelly sand off the East Rocks. 

 The position of this remarkable form may be regarded as 

 provisional (between the ChsetopteridEe and Spionidfe). 



Fam. 26. Spionidae. 

 Genus Nerine, Johnst. 

 Nerine foliosa, Sars ; Mgrn. op. cit. p. 89. 

 Common in sandy groimd or in muddy sand. 



Genus Scolecolepis, Blainv. 

 Scolecolepis vulgaris, Johnst. ; Mgrn. op. cit. p. 90. 

 Not uncommon in muddy sand. 



Genus Spio, (Erst. 

 Spio seticornis, Fab. ; Mgrn. op. cit. p. 92. 

 In fine sand tubes under stones at the East Rocks. 



