44 A RCA. 



Linn, names. Gm. Ensl. names. Si/nonyrns. Habitat. 



XIII. ARCA. 



1 tortuosa 



2 None 



3 barbata 



4 imbricata 



5 navicularis 



6 plicata 



7 Candida 



8 complanata 



9 Magellanica 



10 Lacerate 



11 bicolorata 



12 ovata 



13 canccllata 



ARK. 



3305 twisted 



3306 Noah's 

 3306 bearded 



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

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

 f.\. Amboyna. 



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

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

 31. E.iV/J.305,/. 2. 



Red Sea. Britain? 



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

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

 E.M.#.S09,/.l. Mediter. 



imbricated X.^. 367,/. 207. G.r.87, 

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

 E.,UrS05,/3.b. Africa. 



boat C.7, t .54,/533. St. Domingo, 



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



3311 white Z.f.229,/ 64. C.7, t.55, 



/ 542. E. M. r. 229, 

 /64. • West Indies. 



compressed C.7, £.55,/544-5. Guinea. 



3S11 Magellanic C.7, <.53,/539. St. of Magellan. 



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



f.309,/2. E. Indies. 



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



3307 oval C.7, f.54,/.538, 



3308 channelled <S.Em/.3,/).294,*.9,/.2.Curacoa. 



