262 



BUSH 



E. Setae having the blade regularly tapered. 



Romanchella CauUery and Mesnil 1897. 



Tube sinistral. 



Spirorbis validus Verrill (17). Sptrorbis asperatus sp. nov. 



ferrieri Q. & M. (16). abnormis sp. nov. 



argutus Bush. 



Tube dextral. 



Spirorbis foraminosus Bush. Spirorbts formosus sp. nov. 



bellulus Bush. 



SPECIES OF SPIRORBIS ARRANGED IN ORDER OF DATE OF 



PUBLICATION. 



An asterisk [*] after the name of a species indicates that specimens are in 

 the Yale University Museum. 



1760. Spirorbis SPIRORBIS* Linne + Fabricius 1780+ Montagu 1803, in 

 part, + Cuvier (figures). (See pp. 236 and 258.) 

 horealis Daudin 1800 + Morch 1863 + Malmgren 1867 + Levinsen 

 1883 (figures) + Saint-Joseph 1894 (figures) -f Caullery and 

 Mesnil 1897 (18; figures)-}-.? Schively 1897 (embryology; 

 figures). 



nautiloides Lamarck 1818 -f Willemoes Suhm 1871 (embryology ; 

 figures). 



spirillum Agassiz 1866 (embryology ; figures) non Linne. 

 p1. XXXIX, fig. 34 ; p1. XL, figs. 5, 6, 8, 12-15 *> ^lh, figs. 15-19. 

 Northern waters, on stones and rock-weed {Fucus) ; ? on other hosts. 

 1760. S. SPIRILLUM* Linne + Fabricius 1780 + ? Montagu 1803 -f ? Morch 

 1863 -f Malmgren 1867 + Levinsen 1883 (figures) -f Caullery and 

 Mesnil 1897 (4) + Moore 1902. (See p. 243.) 

 lucidus Montagu 1803 (figures) + Morch 1863 -f Malmgren 1867 

 -|- Saint-Joseph 1894; \-ax\^\.y grdnlandicus Morch 1863 (^porrecta 

 Fabricius 1780 non Miiller). 

 borealis Fewkes 1885 (embryology ; figures) non Daudin 1800. 

 p1. XXVII, fig. 8 ; p1. xxxiii, fig. 15 ; pi. xxxix, figs. 21-23, 28 ; p1. 

 XL, fig. 7 ; pi. XLii, figs. 1-5 ; p1. xliii, figs. 9, 10. 



Northern waters, very common, both Atlantic and Pacific ; from Cape Cod, 

 Massachusetts, coast of New England to Greenland, and from Bering 

 Sea to California, from shallow water to 90 fathoms, on shells {Buccinum, 

 Sipho, etc.), on algae {Laininaria, etc.), on bryozoans {Cellularia, Crisia, 

 Gernellaria, Bugula, etc.), on hydroids (^Obelia, Salacia, Eudendrium, 

 Sertularia, T/miaria, etc.), and on worm tubes {Nothria, etc.) ; England, 

 on bryozoans {Salicornaria, etc.). 

 1767. S. GRANULATUS* Linne -f Morch 1 863 + Malmgren 1867 -f Levinsen 

 1883, in part (tab. iii, f. 9 not 10), non Fabricius 1780 + Mon- 

 tagu 1803 -f Langerhans 1880 -f Saint-Joseph 1894 -|- Caullery 

 and Mesnil 1897 (25 ; figure) + Moore 1902. (See p. 247.) 

 pi. XL, fig. 24 ; p1. xliii, fig. 32. 



