SABELLIDES AND SERPULIDES I9I 



(18) Demonax Kinberg 1866 (restricted). 1 (See p. 1S6.) '^•^-^ ^'-^ > 



Type, D. kr usensternt KinhQvg 1866. Honolulu. 

 Branchiae free, without outer appendages. Inferior setae on thorax, 

 below collar fascicle, lanceolate in form. 



(19) Dasychonopsis gen. nov. (See p. 198.) 



Type, D. pallidus sp. nov., figures. Honolulu. 



Branchial lobes small, not spiral ; branchiae free, with outer append- 

 ages. Inferior setae on thorax, below collar fascicle, lanceolate in form. 

 Avicular uncini in tori on abdomen ; avicular uncini and pennoned setae in 

 tori on thorax. 



(20) Branchiomma (KoUiker 1858) Claparede 1870. 



Type, B. vesiculosum (Montagu 1815, figures) Claparede 1870, figures, 

 + Langerhans 1884, figures-!- Saint-Joseph 1894, figures. Kingsbridge, 

 south coast of Devonshire, England. 



Branchiae free ; eyes subterminal. Inferior setae on thorax, below 

 collar fascicle, oblanceolate in form, i. e., tapered, widest in middle, dif- 

 fering in length. 



(21) Parasabella gen. nov. {Potamilla Malmgren 1865, in part, -|-Maren- 



zeller 1884, in part). (See p. 199.) 

 Type, P. media sp. nov., figures. Alaska. 



Branchiae joined by a small membranous web ; eyes, when present, on 

 outer surface of the rachises. Inferior setae on thorax, below collar fas- 

 cicle, oblanceolate in form. 

 7'. Collar with ends meeting or in contact on back. 



Avicular uncini only in tori on both thorax and abdomen. 



(22) Paralaonome gen. nov. {Laonome Kinberg 1866 and Marenzeller 



1884.) (Seep. 197.) 

 Type, P. japonica (Marenzeller 1884, figures). Japan. 

 Branchial lobes forming equal spirals. Inferior setae on thorax, below 

 collar fascicle, lanceolate in form. 



(23) NoTAULAx Tauber 1879-I- Levinsen 1883 (revised). 



Type, Notaulax sp. Tauber 1879 =:iV. rectangulatus Levinsen 1883, 

 figures. 



Branchiae free. Setae on collar in dorsal, angular, linear series on each 

 side. Inferior setae on thorax, below collar fascicle, spatulate in form. 

 Avicular uncini in tori on abdomen ; avicular uncini and pennoned setae in 

 tori on thorax. 



(24) Hypsicomus Grube 1870 -f Marenzeller 1884, Ehlers 1887. 



Type, H. stichophthalmos Grube 1863, figure, as first species. Adriatic 

 Sea. 



Branchiae joined by membranous web. Setae on collar in dorsal, ob- 

 lique, linear series on each side. Inferior setae on thorax, below collar 

 fascicle, ' broad oval ' in form. 



1 At the present time very little is definitely known of this genus. 



