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SPERMATOGENESIS OF THE PIG WITH SPECIAL REFERENCE TO THE ACCESSORY CHROMOSOMES
Vol 25, Page 8
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PARTHENOGENETIC CLEAVAGE OF THE ARMADILLO OVUM
Vol 25, Page 52
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LOCAL DISTRIBUTION OF GRASSHOPPERS IN RELATION TO PLANT ASSOCIATIONS
Vol 25, Page 141
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THE ASEXUAL CYCLE OF PLANARIA VELATA IN RELATION TO SENESCENCE AND REJUVENESCENCE
Vol 25, Page 181
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A STUDY OF THE EFFECTS OF INJURY UPON THE FERTILIZING POWER OF SPERM
Vol 25, Page 213
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SIZE DIMORPHISM IN ADULT SPERMATOZOA OF ANASA TRISTIS
Vol 25, Page 287
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AN EXPLANATION OF THE NON-PRODUCTION OF FERTILIZED EGGS BY ADULT MALE-PRODUCING FEMALES IN A SPECIES OF ASPLANCHNA
Vol 25, Page 318
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THE RESISTANCE OF FISHES TO DIFFERENT CONCENTRATIONS AND COMBINATIONS OF OXYGEN AND CARBON DIOXIDE
Vol 25, Page 323
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Behavior of the common roach (Periplaneta orientalis L.) on an open maze.
Vol 25, Iss 6, Page 348