202 Dr. W. C. M'Intosh on the 



Genus Flabelligera, Sars. 

 Flabelligera offinis } Sars ; Mgrn. op. cit. p. 83. 

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



Fam. 25. Chaetopteridae. 

 Genus ChjETOPTErus, Cuvier. 

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

 Occasionally in the stomachs of haddock. 



Genus M^EA, Johnst. 

 Mcea mirabiliS) 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 Chgetopteridee and Spionidse). 



Fam. 26. Spionidae. 

 Genus Nerine, Johnst. 



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

 Common in sandy ground 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. 



Genus Polydora, Bosc. 

 Polydora ciliata, Johnst. ; Mgrn. op. cit. p. 95. 

 Very abundant in soft sandstone and shale. 



