Tripp, M. R. 



1960. Mechanism of removal of injected micro- 

 organisms from the American oyster, Crassostrea 

 virginica (Gmelin). Biological Bulletin, vol. 119, 

 No. 2, pp. 273-282. 



Wait, Robert B. 



1943. The action of acetylcholine on the isolated 

 heart of Venus mercenaria. Biological Bulletin, 

 vol. 85, No. 1, pp. 79-85. 



WiLHELMI, R.^YMOND W. 



1944. Serological relationships between the MoUusca 

 and other invertebrates. Biological Bulletin, vol. 

 87, No. 1, pp. 96-105. 



Yazaki, Masayasu. 



1929. On some physico-chemical properties of the 

 pericardial fluid and of the blood of the Japanese 

 oyster, Ostrea circunipicla Pils., with reference to the 

 change of milieu exterieur. Science Reports of the 

 Tohoku Imperial University, series 4, Biology, vol. 

 4, No. 1, fasc. 2, pp. 285-314. 



1934. On the osmoregulation of the blood of several 



marine and fresh water molluscs: I. The Japanese 



oyster, Ostrea circumpicta Pils. Proceedings of the 



Fifth Pacific Science Congress, vol. 5, pp. 4102-4110. 



YONGE, C. M. 



1926. Structure and physiology of the organs of 

 feeding and digestion in Ostrea edulis. Journal of 

 the Marine Biological Association of the United 

 Kingdom, vol. 14, No. 2, pp. 295-386. 



270 



FISH AND WILDLIFE SERVICE 



