SABELLIDES AND SERPULIDES 



261 



TABLE II. 



BASED ON FORM OF SUPERIOR COLLAR SET^. 



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



Spirorbis Daudin 1800. 

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



Spirorbis Daudin 1800 st. s. 



Tube sinistral. 



spirorbis spirorbis Linn^ (18).* Spirorbis patagonicus C. & M. (13). 



granulatus Linnd. lebruniQ. & M. (14). 



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



quadrangularis Stimpson. hernardi Q. & M. (23). 



stimpsoni Verrill. lineatus sp. nov. 



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



claparedei Q. & M. (ii). tubceformis sp. nov. 



malardiC. & M. (12). 



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



Pileolaria Clapar^de 1870. 



Tube sinistral. 



Spirorbis cornuarietis (Philippi) (20). Spirorbis beneti Marion (21). 

 militaris Claparede (24). langerhansi Q. & M. (26). 



/woVc/^z' Levinsen (27). mutabilis Bush. 



levinseni C. & 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.?). 



tnarioni C. & M. (6). incongrutcs sp. nov. 



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



notch. Janua Saint-Joseph -|- J/e/'a Saint-Joseph 1894. 



Tube sinistral. 



spirorbis verruca Fabr. non Levin sen. Spirorbis evolutus sp. nov. 



Tube dextral. 



Spirorbis pagenstecheri QyxdXr. (8). Spirorbis pusilloides nom. nov. (9). 



C. Setae having the blade distinctly angulated at base. 



Circeis Saint-Joseph 1894. 



Tube dextral. 



Spirorbis spirillum Linn^ (4). Spirorbis armoricanus Saint-Joseph (5). 



violaceus Levinsen (3). 



D. Setae having the blade broadly rounded at base. 



Leodora Saint-Joseph 1894. 



Tube sinistral. 



Spirorbis Icevis Quatrefages. 



Tube dextral. 



spirorbis pseudocorrugatus nom. Spirorbis rugatus sp. nov. 



nov. (7). cofnptus ST^. nov. 



1 See p. 258. 



