ANNELIDA. 
131 
Genus Amphicora, Ehrenberg. 
Amphicora Fabricia , O. F. Muller; Mgrn. op. cit. p. 117. 
Abundant under stones on muddy ground between tide- 
marks and amongst tangle-roots. 
Fam. 36. Serpulidae. 
Genus Protula, Risso. 
Protula tubularia, Mont. ( =protensa , Jobnst.); Johnst. Cat. 
Brit. Mus. p. 264. 
Occasionally in deep water. 
Genus Filigrana, Oken. 
Filigrana implexa , Berkeley ; Mgrn. op. cit. p. 119. 
Fine masses are common in the coralline region. 
Genus Hydroides, Gunner. 
Hydroides norvegica , Gunner; Mgrn. op. cit. p. 120. 
Abundant in deep water, attached to shells, stones, &c. 
Genus Serpula, L. 
Serpula vermicularis , L.; Mgrn. op. cit. p. 120. 
Common in deep water. 
Genus Pomatocerus, Phil. 
Pomatocerus triqueter , L.; Mgrn. op. cit. p. 121. 
Very common from the littoral to the coralline region. 
S 2 
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