BIOLOGICAL BULLETIN 



OF THH 



flDartne Biological laboratory 



WOODS HOLE, MASS. 



VOL. LII JUNE, 1927 No. 6 



CONTENTS 



HULPIEU, H. R., AND 



HOPKINS, D. L. Observations on the Life- History of 



protcns 411 



GRAVE, BENJAMIN H. An Analysis of the Spawning Habits and 



Spawning Stimuli of Ciinringia tellinoides . . 418 



KATER, J. McA. Cytology of Saccharomyces ccrvic.irr isith Espe- 

 cial Reference t/> Xitclear Division j.^> 



PAYNE, NELLIE M. Measures of Insect Cold JLtnliness ... 44*) 



DOMM, L. V., AND 



JUHN, MARY Compensatory Hypertrophy of the Tester in 



Brown Leghorns 458 



JUHN, MARY Note on the Hemolytic Action of Scbright Serum 



on Leghorn Corpuscles 474 



BELLING, JOHN Configurations of Bivalents of Hyacinth us icith 



Regard to Segmcntal Interchange 480 



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