44 ARC A. 



Linn, names. Gm. Engl. names. Synonyms. Habitat. 



XIII. ARCA. 



ARK. 



1 tortuosa 3305 twisted 



2 Nose 



3 barbata 



4 imbricata 



3306 Noah's 



3306 bearded 



imbricated 



5 navicularis boat 



6 plicata plaited 



7 Candida 3311 white 



8 complanata compressed 



9 Magellanica 3311 Magellanic 



10 lacerata hairy 



11 bicolorata 2 -coloured 



12 ovata 3307 oval 



13 cancellata 3308 channelled 



G. t. 95, f. B. C. 7, t. 53, 

 /. 424-5. E.M.t.305, 

 f.l. Amboyna. 



L. t. 368,/. 208. G.t.87, 

 /. H. C.7,*.53,/.529- 

 531. E.M.t.3Q5,f.2. 



Red Sea. Britain 1 



L.t.231,f.65. G.t.91, 

 f. F. C. 7, t. 54,/535. 

 E.M.t.309,f.l. Mediterranean. 



.J.367,/.207. &.J.87, 

 /.F.G. C.7,*.54,/532. 

 E.M.t.305,f.3.\). Africa. 



C.7,*.54,/.533. St. Domingo. 

 C.ll,.204,/.2008. Red Sea. 



Z. . 229,/.64. C.7,^.55, 

 /.542. West Indies. 



C.7^.55,/.544-5. Guinea. 



C.7,f.54,/.539. Str. of Magellan. 



(7.7,.54,/.536-7. ^.M. 

 ^.309,/.2. East Indies. 



C'.1M.204,/.2007. Red Sea. 



AS'. Em/. 3, ^. 294, /. 9, 



