SABELLIDES AND SERPULIDES 26l 



TABLE II. 



BASED ON FORM OF SUPERIOR COLLAR SET^. 



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 6t. 6. 

 Tube sinistral. 



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



granulatus Linnd. lebruni Q. & M. (14). 



sulcatus Adams. kcekleri C. Si M. (22). 



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



siimpsoni Verrill. lineatus sp. nov. 



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



claparedei C. & M. (ii). tubaformis sp. nov. 

 malar dt C. & M. (12). 



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



Pilcolaria Clapar^de 1870. 

 Tube sinistral. 



Spirorbis cornuarictis (Philippi) (20). Spirorbis benefi Marion (21). 

 militaris Claparfede (24). lattgerkansi C. Si M. (26). 



mb'rcki h.evinsen (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?). 



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



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



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



Tube sinistral. 

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



Tube dextral. 

 Spirorbis pagenstechcri Q^a\x. (8). Spirorbis ptisilloides nom, nov. (9). 



C. Setae having the blade distinctly angulated at base. 



Circeis Saint-Joseph 1894. 

 Tube dextral. 



Spirorbis spirillum Llnn^ (4). Spirorbis armoricanttsSa.ini-]ose^h.{^). 



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 rugattis sp. nov. 



nov. (7). co7nptus s^. nov. 



iSee p. 258. 



