44 A RCA. 



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



XIII. ARCA. 



1 tortuosa 



2 Noas 



3 barbata 



4 imbricata 



5 navicularis 



6 plicata 



7 Candida 



8 complanata 



9 Magellanica 



10 lacerata 



11 bicolorata 



12 ovata 



13 cancellata 



ARK. 



3305 twisted 



3306 Noah's 

 3306 bearded 



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

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

 f.i. Amboyna. 



i.^.368,/. 208. G. /.87, 

 /. H. C.7, t. 63,/. 529- 

 31. E.ikf.<.305,/.2. 



Red Sea. Britain? 



L. f. 231,/. 65. G.t.9\, 

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

 E.M.^309,/1. Mediter. 



imbricated L.t.Sd7,f. 207. O. t. 87, 

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

 E.ill.^305,/.3.b. Africa. 



bo-xt C.7, ^.54,/533. St. Domingo, 



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



3311 white L.^.229,/.64. C.7,/. 55, 



/. 542. E. M. t. 229, 

 /.64. West Indies. 



compressed C.7, f.55,/.544-5. Guinea. 



3311 Magellanic C.7, /.53,/.539. St. of Magellan. 



hairy C.7, /.54,/.536-7. E.M. 



^.309,/2. E.Indies. 



2-coloured C.ll, /.204,/.2007. Red Sea. 



3307 oval C.7, t.54,f.533. 



3308 channelled S.Eire/.3,p.294/.9,/2.Curafoa. 



