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The Biological bulletin v. 39 (1920)
Parts
ALTERNATE PHASES IN FOLLICULINA
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By: Andrews, E. A. (Ethan Allen),
Type: Article
In: The Biological bulletin
Volume: 39
Date: 1920-07-01
Page Range: 67--87
Publication info: Woods Hole, Mass Marine Biological Laboratory
SOME CONSIDERATIONS CONCERNING THE NATURE AND ORIGIN OF PHYSIOLOGICAL GRADIENTS
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By: Child, Charles Manning,
Type: Article
In: The Biological bulletin
Volume: 39
Date: 1920-09-01
Page Range: 147--187
Publication info: Woods Hole, Mass Marine Biological Laboratory
Notes on Pediculus vestimenti
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By: Foot, Katharine
Type: Article
In: The Biological bulletin
Volume: 39
Date: 1920
Page Range: 261--279
Publication info: Woods Hole, Mass Marine Biological Laboratory
STUDIES ON INSECT SPERMATOGENESIS: I. THE HISTORY OF THE CYTOPLASMIC COMPONENTS OF THE SPERM IN HEMIPTERA
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By: Bowen, Robert H
Type: Article
In: The Biological bulletin
Volume: 39
Date: 1920-12-01
Page Range: 316--362
Publication info: Woods Hole, Mass Marine Biological Laboratory