SUPPLEMENT. 1269 



Ostrea pyxidata Adams & Reeve . . Philippines. 



quercina Sowerby 



radix Sowerby 



radiata Lamarck Indian Ocean. 



- raricosta Deshayes 



reniformis Sowerby 



retusa Pease Sandwich Islands. 



rhizophora Guilding West Indies. 



vel gallina Lamarck West Indies. 



Ostrea rivularis Gould Nagasaki. 



rosacea Deshayes Senegal. 



- rostralis Lamarck Lisbon. 



- rostrata Chemnitz North America. 



var borealis Lamarck North America. 



var Canadensis Lamarck North America. 



Ostrea rubella Lamarck 



.. *rufa Lamarck America. 



- ruscuriana Lamarck Algeria. 



- Sandwichensis .... Sowerby Sandwich Islands. 



- scabra Lamarck America. 



semicylindrica .... Say 



Senegalensis .... Gmelin Senegal. 



Sinensis Gmelin China. 



sinuata Lamarck Australia. 



solida . Sowerby Panama. 



spathulata Lamarck Florida. 



spinosa Deshayes Moluccas. 



vel echinata Q uov Philippines. 



Ostrea spreta D'Orbigny Rio Janeiro. 



stellata Guinea. 



stentina Payrandeau Mediterranean. 



subtrigona Sowerby Australia & N.Zealand. 



Talienwahensis .... Crosse Japan. 



trapezina Lamarck New Holland. 



tuberculata Lamarck Timor. 



var Australis Lamarck Australia. 



* A young form of O. denticulata. (Deshayes.) 



