26o 



BUSH 



TABLE I. 



BASED ON CHARACTER OF SURFACE OF TUBE, WHICH, WHEN FULLY DEVEL- 

 OPED, IS SMALL, MORE OR LESS REGULARLY COILED, DISCOID, 

 ASCENDING, OR SPREADING. 



A. Surface without lines or grooves. 



Tube sinistral. 



Spirorbis spirorbts Linn^ (i^)' Spirorbts claparedet C & M. (ii). 



no rdens/^'o id/ Ehlers (surface ?). 



communis Bosc. 



corrtigaitis Montagu non C. & M. 



chilensis Gaj (surface?). 



IcEvis Quatrefages. 



T'a//V/«5 Verrill (17). 



wciVcA/ Levin sen (27). 



aggregatus C. & M. (10). 



similis sp. nov. 

 abnortnis sp. nov. 

 iftt'erstis sp. nov. 

 tubceformis sp. nov. 

 evolutus sp. nov. 



Tube dextral. 



Spirorbts spirillum Linne (4). 

 sinisirorsus Montagu. 



Spirorbis armoricanus Saint-Joseph (5) 

 fusilloides nom. nov. (9). 



B. Surface variable : with and without lines. 



Tube sinistral. 

 Spirorbis verruca Fabr. non Levinsen. Spirorbis levinseni C. & M. (15). 



quadrangularis Stimpson. 

 malardi C. &, M. (12). 

 lebruni C. & M. (14). 



asperatus sp. nov. 

 mutabilis sp. nov. 



Spirorbis vitreus Fabr. (2). 



pseudocorrugatus nom. nov. (7) 

 semidentatns sp. nov. 



C. Surface with distinct lines and grooves. 



Tube sinistral 

 Spirorbis granulatus Linn^. 

 carinatus Montagu. 

 sulcatus Adams. 

 cornuarietis Philippi (20).* 

 militaris Claparfede (24). 

 stimpsoni Verrill. 

 ^^«^// Marion (21). 

 patagonicus C. & M. (13). 



Tube dextral. 



Spirorbis rugatus sp. nov. 

 incongruus sp. nov. 



Spirorbis cancellaius Fabr. (i). 

 heterostrophus Montagu. 

 violaceus Levinsen (3). 

 marioni C. & M. (6). 

 pagenste.cheri Qiiatrefages (8) 

 foraminosus Bush. 



* See pp. 236 and 262. 



Spirorbis perrieri C & M. (16). 

 mediierraneus C. & M. (19). 

 kxhleriQ. & M. (22). 

 bernardi C & M. (23). 

 langerhansi Q. & M. (26). 

 argutus Bush. 

 variabilis sp. nov. 

 lineaius sp. nov. 



Tube dextral. 



Spirorbis bellulus Bush. 

 dorsatus Bush. 



eximius sp. nov. (direction.'). 

 comptus sp. nov. 

 tridentatus sp. nov. 

 formosus sp. nov. 



*See Addendum, 



