81 



2270 isognomum, Lam., 



2271 " var., 



75 Indian Ocean, 



Enc. Meth., pi. 176, f. 1. Ostrea isognomum, Linn. 



Knorr. Verg., V. 6, pi. 13, f. 1 . Perna canina, Lam. 



Perna i'emoralis, Lam. 



Ostrea alata, Gmel. 

 Ostrea perna, Dillw. 



Ostrea malleus, Linn. 



radiata, Leach, 



107 Ceylon, 



Leach Z. Mis., pi. 43. 



ia Avicula Tarentina, Lam. 



Chanon, Adans. 



is Avicula crocea, Lam. 



is Avicula macroptera, Lam. 



Avicula lotorium, Lam. 

 Meleagrina margaritifera, Lam. 



Avicula radiata, Leach. 

 Avicula Sinensis, Leach. 



with Pearls. 



is Avicula margaritifera, Brug. 



11 



