42 GASTEROPODA. 



FAMILY 

 Shell conical, apex perforated, or with a notch or slit in the front 



margin. 



FISSURELLA. 



Conical, radiately ribbed ; apex sub-anterior, or central ; anal per- 

 foration oblong, sub-apical. 

 Widely spread. 



189. F. SCjIiamosa, sp. nov. Solid, oblong, with strong radiat- 

 ing, more or less squainose, ribs ; anal perforation email, apical, margin 

 erenated. Brownish ; interior white. Height, '25 ; length, '9 ; breadth, 

 'G ; anal perforation, '08. 



190. F. rubiginosa, sp. nov. Conical, ovate, apex sub-anterior, 

 thin, smooth, radiately ribbed ; ribs thirteen to seventeen ; anal 

 aperture apical, small, covered up from the inside. Outside white; 

 interior pinkish. Height, "2 ; length, '6 ; breadth, '5. 



Chatham Islands only. 



LUCAPINA. 



Shell small, depressed, cancellated, with ^a large sub-central per- 

 foration, bordered internally by a callosity. 

 California. 



191. L. monilifera, sp. nov. Ovate, white, radiated with 

 moniliforin ribs and obscurely cancellated ; border smooth or creuated. 

 Height, '2 ; length, '6 ; breadth, '45. 



Stewart's Island, 15 fathoms. 



EMARGINULA. 



Oval, conical, elevated, the apex recurved ; surface cancellated ; 

 anterior margin notched ; muscular impression with recurved points. 

 Europe. "West Indies. Philippines. Australia. 



192. E. Striatula, Quoy, Voy. Astrolabe, iii,, p. 332. Eadiately 

 and transversely finely ribbed ; apex posterior, margin creuate ; notch 

 long. White. Height, '4 ; length, 75 ; breadth, - 55 ; notch, '15. 



Both Islands. Chatham Islands. 



Emarginula Jissurata, Chemnitz, was said by Favanne to come from 

 New Zealand. It is red, or white variegated with red. 



TUGALI. 



Oblong, narrowed in front ; back elevated, cancellated ; apex pos- 

 terior, recurved; aperture crenulated on the edge, sinuated in front. 

 Australia. 



193. T. eleganS, Gray, Die/. N.Z., ii., p. 240. White, margin 

 often scarcely sinuated iu front. Height, - 25 ; length, - 8 ; breadth, '5, 



Both Islands. Stewart's Island. Chatham Islands. 



