Arlhemis. Gaialea. Cyrena. 29 



348 2 juvenis Ch. 6 f. 407 Ind. or. 



V. juvenilis Gm. Phil. 



349 1 variegata (V. exoleta) Ch. 7 f. 407. — 



Cytherea histrio Gm. Gray. 



C. obsoleta Bolten. 



Arthemis juvenilis var. Phil. 

 Adansonii Phil. Senegal, 



excisa Ch. 7 f. 400. 1 Tranquebar. 



contracta (Arthemis) Phil. — 



V. concentrica minor. Ch. 7 f. 403. 

 Cyclina Dh. (Mysia Leach. Lu- 

 cinopsis Forb & H. ?) 



353 2 chinensis Ch. China. 



(^yprina tenuistria Lam. 

 Fam. Corbiculadæ. 



Oalatea Brug^. (Egeria Roissy. Potamo- 

 phila Sovv. Megadesma Bowd.) 



354 1 recliisa (Venus) Ch. Guinea. 



V. subviridis Gm. 

 V. hermaphrodita Gm. 

 V. fluminea Bolt. 

 V. paradoxa Born? 

 Corbicula M eg. (Cyrena Lam.) 



Greloina Gray. (Corneocyclas Fer. Cyreno- 

 cyclas Ag.) 



