44 ARC A. 



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



XIII. ARCA. 



ARK. 



1 tortuosa 



2 Nose 



3 barbata 



4 imbricata 



3305 twisted 



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>coloui'ed 



12 ovata 3307 oval 



13 caacellata 3308 channelled 



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

 /. 424-5. E.M.t.205, 

 f. 1 . Amboyna. 



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

 /. H. C.7,t.53,f.529- 

 531. E.M.t.305,f.2. 



Red Sea. Britain ? 



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

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

 £.M.^309,/. 1. Mediterranean. 



L.t. 367, f. 207. G.t. 87, 

 f.F.G. C.7,t.54^,f.532. 

 E.M.t.305,f. 3.h. Africa. 



C.7,t.54!,f.533. St. Domingo. 



C.ll,«.204,/.2008. Red Sea. 



L.t.229,f.64. C.7,t.55, 

 /.542. West Indies. 



C.7,t.55,f.5ii-5. Guinea. 



C.7,t.5i',f.539. Str. of Magellan. 



C.7,t.54f,f.536-7. E.M. 

 t.309,f.2. East Indies. 



C'.ll,«.204,/.2007. Red Sea. 



C.7,t.54>,f.538. 



S. Einf. 3, p. 294, /. 9, 

 f.2. Cura§oa. 



