BIOLOGICAL BULLETIN 



OF THE 



flDarine Biological Xaboraton> 



WOODS HOLE, MASS. 



VOL. XLIX DECEMBER, 1925 No. 6 



CONTENTS 



BOSCHMA, H. On the Feeding Reactions and Digestion in the Coral 



Polyp Aslrangia dance, with Notes on its Symbiosis 

 with Zooxanthellce 407 



CLARE, M. R. A Study of Oxygen Metabolism in Drosophila mela- 



nogaster . . 440 



HEILBRUNN, L. V. The Action of Ether on Protoplasm 461 



PUBLISHED MONTHLY BY THE 



MARINE BIOLOGICAL LABORATORY 



PRINTED AND ISSUED BY 



LANCASTER PRESS, INC. 

 LANCASTER, PA. 



AGENT FOR GREAT BRITAIN 



WHELDON & WESLEY, LIMITED 

 2, 3 and 4 Arthur Street, New Oxford Street, London, W. C. 2 



Single Numbers, S1.0O. Per Volume (6 numbers), $4.50 



IMMmH^^BHBMHmmOiHBi^HB^^BHBB^BBDBaHBn^aBBB^^BHMBi^^^^H^^HBHBBBBBBBBBBI 



Entered October 10, 1902, at Lancaster, Pa., as second-class matter under Act of Congress of July 16, 1894 



