Linn, names. 



3 Madagasca- 



riensis 



4 biradiata 



5 sexradiata 



Engl, names. 

 ribbon 



two-rayed 

 six-rayed 



Synon. 8$ Ref. 

 M.Cab. 



Habitat. 



Madagascar. 



Isle of France. 



VENUS. 



1 lamellata 



2 Berrii 



3 elegans 



4 Stutchburii 



5 similis 



6 subrugosa 



7 subrostrata 



8 papyracea 



9 Kingii 



10 apbrodinoides 



11 hians 



12 aurisiaca 



13 Childreni 



14 cyprinoides 



15 costulata 



VENUS. 



rough, ridged Br.Mus. 



Capuchin 



cockle-shaped 



Stutchbury's 



spotted 



rouCThish M. Cab. 



o 



slightly beaked Br.Mus. 



Paper 



King's 



grated 



gaping 



golden-valved 



Children's 



strong marked ■ 



mottle ribbed M.Cab. 



New Holland. 



u. 



Brazil. 



Sandwich Isl. 



China. 



Panama. 



New Holland. 



S. Seas. 



China. 

 u. 



Japan. 

 S. Seas. 



