SABELLIDES AND SERPULIDES 26l 



TABLE II. 



BASED ON FORM OF SUPERIOR COLLAR SETTLE. 



A. Setae having a long tapered blade preceded by a fin-like expansion. 



Spirorbis Daudin 1800. 



a. Serrations on the blade fine, usually much finer than on the fin. 



Spirorbis Daudin 1800 St. s. 

 Tube sinistral. 



Spirorbis Spirorbis Linne* (iS). 1 Spirorbis pafagonicus C. & M. (13). 



granulatus Linne". lebruniC. & M. (14). 



sulcatus Adams. koekleri C. & M. (22). 



quadrangularis Stimpson. bernardi C. & M. (23). 



stimpsoni Verrill. lineatus sp. nov. 



aggregates C. & M. (10). similis sp. nov. 



claparedei C. & M. (n). tubceformis sp. nov. 

 malardiC. & M. (12). 



b. Serrations on the blade coarse, similar on fin. 



Pileolaria Claparede 1870. 

 Tube sinistral. 



Spirorbis cornua rietis (Philippi) (20). Spirorbis beneti Marion (21). 



militaris Claparede (24). longer hansi C. & M. (26). 



mb'rcki Levinsen (27). mutabilis Bush. 



levinseniC. & M. (15). variabilis sp. nov. 

 mediterraneus C. & M. (19). 



Tube dextral. 



Spirorbis cancellatus Fabr. (i). Spirorbis semidentatus sp. nov. 



vitreus Fabr. (2). eximius sp. nov. (direction?). 



marioni C. & M. (6). incongruus sp. nov. 



B. Setae having the blade of two forms : with and without a shallow posterior 



notch. Janua Saint-Joseph -f- Mera Saint-Joseph 1894. 



Tube sinistral. 

 Spirorbis verruca Fabr. non Levinsen. Spirorbis evolutus sp. nov. 



Tube dextral. 

 Spirorbis pagensteckeri Qjuatr. (8). Spirorbis pusilloides nom. nov. (9). 



C. Setae having the blade distinctly angulated at base. 



Circeis Saint-Joseph 1894. 

 Tube dextral. 



Spirorbis spirillum Linne* (4). Spirorbis armoricanus Saint-Joseph (5). 



violaceus Levinsen (3). 



D. Sets having the blade broadly rounded at base. 



Lcodora Saint-Joseph 1894. 

 Tube sinistral. 

 Spirorbis Itrvis Quatrefaget. 



Tube dextral. 

 Spirorbis pseudocor ruga tut nom. Spirorbis rugatus sp. nov. 



nov. (7). cotnffus sp. nov. 



'Seep. 258. 



