220 Mr. H. B. Preston on new 



Alt. 9, diam. maj. 11"75 mm. 



Apevfure : alt. 5, diam. 6 mm. 



IJab. Port Stanley, Falkland Islands {A. G. Bennett). 



Acmcea inquUinus, sp. n. (FPff. 4.) 



Shell ovate, with sli.t^htly straig-htened sides, anteriorly 

 gently sloping-^ posteriori}' rather sharply sloping and some- 

 what rounded, poroellanous, white, painted at tlie apex and 

 occasionally on tiie remainder of the shell with reddisii 

 chestnut and sculptured with numerous closely set radiating 

 libs I apex subcentral ; margin of shell rather finely crenel- 

 late, flesli-coloured, irregularly dotted witii reddish brown ; 

 interior of shell pinkish 'white, smooth, porcellanous ; spatula 

 large, elongately ovate. 



Alt. -^'16, diam. maj. 11 m:n. 



Hah. Port Stanley, Falkland liiMi^^Sy on Fissurella picta^ 

 Gmel. {A. G, Bennett). 



Acmcea perconica, sp. n. (Fig. 5.) 



Shell subcircular, high, conical, sculptured, with twelve or 

 thirteen broad whitish radiating ribs, between which occur 

 one or more whitish radiating bands, the interstices being of 

 a blackish-brown colour ; apex very posteriorly situate, 

 slightly overhanging; margin of shell painted with brownish 

 black alternating with whitish, slightly produced both ante- 

 riorly and posteriorly, so tliat the sliell does not lie quite flat 

 when placed upon a plane; spatula whitish, not well defined 

 posteriori}-, anteriorly broadly margined with rich blackish 

 brown, concentrically painted, especially towards the base, 

 with elongate blotches of pure white; below the spatula 

 the shell shades from yellowish to bluish white, the surface 

 being marked with multitudinous, interlacing, scratch-like 

 stria\ 



Alt. 12j diam. maj. 15 mm. 



Hah. Falkland Islands [A. G. Bennett), 



Scurria scurra, Gray, var. charon, var. n. 



Differing from the typical form in its much darker colour, 

 which is of a dark brown shade. 



Alt. 22, diam. maj. 35, diam. mln. 30 mm. 



Hah. Falkland Islands [A. G. Bennett). 



This would appear to be a constant local variety peculiar 

 to the Falkland Islands, which has been revealed after the 

 examination of a long series of specimens both from the 



