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ROUGHOID, A MUTANT LOCATED TO THE LEFT OF SEPIA IN THE THIRD CHROMOSOME OF DROSOPHILA MELANOGASTER
Vol 38, Page 33, Date 1920-01-01
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NOTES ON THE BIOLOGY OF SOME COMMON LAMPYRIDAe
Vol 38, Page 39, Date 1920-02-01
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AN EXCEPTION TO BATESON'S RULE OF SECONDARY SYMMETRY
Vol 38, Page 77, Date 1920-02-01
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A COMPARATIVE STUDY OF THE CHROMOSOMES OF LACHNOSTERNA (COLEOPTERA)
Vol 38, Page 83, Date 1920-02-01
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CARBON DIOXIDE PRODUCTION IN RELATION TO REGENERATION IN PLANARIA DOROTOCEPHALA
Vol 38, Page 103, Date 1920-03-01
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SUSCEPTIBLE AND RESISTANT PHASES OF THE DIVIDING SEA-URCHIN EGG WHEN SUBJECTED TO VARIOUS CONCENTRATIONS OF LIPOID-SOLUBLE SUBSTANCES, ESPECIALLY THE HIGHER ALCOHOLS
Vol 38, Page 123, Date 1920-03-01
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Light production in cephalopods. 1. An introductory survey
Vol 38, Page 141, Date 1920
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LIGHT PRODUCTION IN CEPHALOPODS, II: AN INTRODUCTORY SURVEY
Vol 38, Page 171, Date 1920-04-01
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STUDIES ON THE CELLS OF CATTLE WITH SPECIAL REFERENCE TO SPERMATOGENESIS, OOGONIA, AND SEX-DETERMINATION
Vol 38, Page 294, Date 1920-05-01
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STUDIES IN ARTIFICIAL PARTHENOGENESIS. III. CORTICAL CHANGE AND THE INITIATION OF MATURATION IN THE EGG OF CUMINGIA
Vol 38, Page 317, Date 1920-05-01
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THE AXIAL GRADIENTS IN HYDROZOA. III. EXPERIMENTS ON THE GRADIENT OF TUBULARIA
Vol 38, Page 353, Date 1920-06-01
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THE GERM-CELLS OF CICADA (TIBICEN) SEPTEMDECIM (HOMOPTERA)
Vol 38, Page 404, Date 1920-06-01