194 Dr. W. C. M'lntosh on the 



Genus POLYNOE, Sav. 

 Pohjnoe jloccosa, Savigny, Sjst. des Annel. p. 23. 

 Not uncommon on the West Sands after storms, and under 

 stones between tide-marks. 



Genus EvARNE, Mgrn. 

 Evarne impar^ Jolmst. ; Mgrn. ojy. cit. p. 10. 

 Occasionally under stones in pools between tide-marks, and 

 in littoral sponges. 



Genus L^NILLA, Mgni. 



LcBnilla setosi'ssima, Savigny, Sjst. des Ann(5l. p. 25 ; 

 Mgrn. op. cit. p. 12. 



Polyno'e longisetis, Grube ; Lcoulla glabra, Mgrn. ; and Hannotho'e Malm- 

 greni, Lankester. 



Tossed on the West Sands after storms, amongst tangle- 

 roots. Not uncommon. 



Genus Hermadion, Kinberg. 



Herniadion pellucidum^ Ehlers, Die Borstenwiirmer, i. p. 105, 



pis. 3 & 4. 



Occasionally in deep water amongst corallines and shells. 



Hermadion assimile, M'Intosh. 



Amongst the debris in the fishing-boats. This species is 

 easily discriminated from the foregoing (in spirit) by the 

 presence of a brownish-black band commencing behind the 

 head, and continuing along the central line to the tail. Dorsal 

 bristles with the rows of spikes much less marked, and with 

 a notch at the tip of each bristle ; the venti-al bristles have a 

 somewhat blunt tip, with processes or beaks which differ 

 characteristically fi-om those of the foregoing. 



Genus Halosydna, Kinberg. 



Halosydna gelatinosa, Sars ; Mgrn. op. cit. p. 14. 



Not uncommon under stones in rock -pools and in the 

 stomach of the cod. 



