BIOLOGICAL BULLETIN 



OF THE 



noannc Biological laboratory 



VOL. XLYI JANUARY, 1924 . No. i 



INTENTS 



KOPEC, STEFAI i . '"/>- 



at and ' i 



1 I KM K, ( . I I . .1 



; - 



I 1 ' i i aasmo M>N UII.Y nv THE 



MAklNl- i:i<>! OGICAL LABORATORY 



PRINTED AND 1SSI El> BY 



i INCASTER I-KI ss, i\ 



LANCASTER, r.\. 

 AGENT FOR GREAT BRITAIN 



WHKI.DON & \\ y, I.IMIII i. 



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