268 



BUSH 



1904. S. siMiLis*sp. nov. (Seep. 242.) 



p1. XXIX, fig. 3, c\ pi. XXXIX, figs. 16, 31 ; p1. xl, figs. 9, 17, 18; p1. 

 XLiii, figs. 27, 31. 



Alaska (Prince William Sound), on worm tubes {Crucigerd), 

 1904. S. RUGATUS*sp. nov. (Seep. 243.) 



p1. XXIX, fig. 3, b ; p1. xxxv, fig. 14 ; pi. XLIV, figs. 18, 19. 



Alaska (Sitka), on rocks. 

 1904. S. COMPTUS* sp. nov. (See p. 244.) 



California, on algae. 

 1904. S. ASPERATUS* sp. nov. (Scc p. 245.) 



pi. XXVIII, fig. 10 ; p1. XXX, fig. 4 ; p1. xli, figs. 4, 5, 6, 8, 10, 11, 19, 31, 

 32 ; p1. XLIII, figs. I, 2, 3, 7, 13, 26. 



California (Pacific Grove), Alaska (Sitka and Prince William Sound), on 

 shells and worm tubes ( Crucigerd), 

 1904. S. ABNORMis * sp. nov. (See p. 245.) 



p1. XXXIX, fig. 35 ; p1. XL, figs. I, 2 ; pi. XLIII, figs. 24, 28, 29. 



Alaska (Sitka), on rocks. 

 1904. S. INVERSUS * sp. nov. (See p. 246.) 



Australia (Port Phillip, Victoria), on bryozoa {Menipea drrafaf), 

 1904. S. TRIDENTATUS * sp. nov. (See p. 246.) 



Australia (Port Phillip, Victoria), on bryozoa {Menipea cirrata .?), 

 1904. S. TUB^FORMis* sp. nov. (Seep. 251.) 



p1. XXXIX, figs. 30, 32 ; p1. xlii, figs. 13, 14. 



Long Island Sound, on Irish moss {Chondrus). 

 1904. S. EVOLUTUS* sp. nov. (Seep. 251.) 



p1. xlii, figs. 20-22. 



Grand Banks of Newfoundland, on shells {Siphd), 

 1904. S. FORMOSUS* sp. nov. (See p. 252.) 



p1. XXXIX, figs. 18, 19; p1. xli, fig. 22 ; p1. xliii, figs. 18, 23, 25, 30. 



Gulf Stream and Bermuda, on gulf-weed {Sargassum), etc. 

 1904. S. mutabilis * sp. nov. (Seep. 252.) 



Bermuda, on shells. 



