64 Director's A?i7iual Report. 



Unio schoolcraftia , Lea. Michigan, 

 shepardianus, Lea. Georgia, 

 spatulata, Lea. Ohio, 

 subovatus, Barnes. Ohio, 

 trigonus, Lea. Ohio River, 

 ventricosus, Barnes. Illinois, 

 verrucosus, Barnes. Miami River, 

 zigzag, Lea. Ohio River. 

 Margaritana calceola, Lea. Genesee River. 



deltoidea, Lea. Ohio River. 

 Anodonta edentula, Say. New York. 

 Leda minuta, Fabr. Norway. 

 Yoldia lenticula, Moller. Spitzbergen. 

 Area modiola, Linn. Mediterranean, 

 navicularis, Brod. China, 

 tetragona, Poli. Mediterranean. 

 Glycymeris striatularis, Lam. Australia. 

 Pecten asperimus. Lam. Tasmania. 



aspersus, Lam. Mediterranean, 

 clavatus. Mediterranean, 

 corallinoides, Poli. Mediterranean, 

 crassicostatus, Sowerby. Moluccas, 

 danicus, Chemnitz. Scotland, 

 gibbus, Liiin. Senegal, 

 layardi, Rve. Ceylon, 

 lemniscatus, Rve. Mauritius, 

 magellanicus, Lam. Massachusetts, 

 senatorius, Gme.l. Zanzibar, 

 serratus, Sby. Mauritius, 

 splendidus, Sby. Torres Strait, 

 squamosus, Gmel. Moluccas, 

 subnodosus, Sby. Galapagos Ids. 

 tranquebaricus, Gmel. Tranquebar. 

 ventricosus, Sby. Low^er California, 

 zelandise. Gray. New Zealand. 

 Vola dentata, Sby. California, 

 fumata, Rve. Australia. 

 Amussiuni balloti, Bernhardi. New Caledonia. 



japonicum, Gmel. Japan. 

 Ostrea borealis, Lam. Massachusetts. 



