290 STYLIFER. 



ment from the excrement of the urchin, and that its suctorial 

 proboscis, and the absence of a radula or jaw supports this view. 

 It is Phasianella sfylifera, Turton, S. astericola, Brown, and 

 S. globosus, Johnston. 



S. ASTERicoLA, Brod. PI. 71, fig. 38. 



Ovate globose, spire short, acuminated ; whorls few, the apical 

 ones minute, lip siniiousl3' produced above. Length, 10"5 mill. 



Galapagos IsL, on Asterias helianthus. 

 . S. Broderiini^ Adams, is a synonym. 



S. ovoiDEUS, H. and A. Adams. PI. 71, fig. 39. 



Subglobose, spire moderately produced ; whorls convex, the 

 apical ones very minute ; aperture pyriform, outer lip slightl}^ 

 compressed above, sinuously produced. Length, 11 mill. 



Borneo^ on an Asterias. 



This is S. astericola, Ad. and Reeve, not Brod., but I really 

 can see no valid differences between this and the two preceding 

 species. 



S. Orbignyanus, Hupe. PL 71, fig. 40. 



Short, ovate, inflated, pellucid, very shining, 3ellowish white ; 

 whorls 7, well-rounded, with deep suture. Length, 6 mill. 



A list 7' alia. 



Found imbedded in the deformed spire of Cidaris imperialis. 



S. DUBiA, Baird. PL 71, fig. 41. 



Shell globose, spire produced, p3'ramidal, acuminated, apical ; 



whorls attenuated. Length, 6-5 mill. 



New Caledonia. 

 S. MiTTREi, Petit. PL 71, fig. 42. 



Very smooth, pellucid, yellowish white ; whorls 7-8, rounded, 

 suture profound. Length, 11*5 mill. 



Indian Seas (Mittre.), Polynesia (Pease). 



I have received from Mr. Pease, under his MS. name of Mucro- 

 nalia tumida, a shell which I refer to this species. 



S. EBURNEUS, Desh, PL 71, fig. 43. 



Ivorj'-white, ver}- shining, polished ; whorls 9, the first two 



cylindrical, the others ver^- convex, with deep linear sutures. 



Length, 10 mill. 



Isle of Bourbon. 



