Leone without whose direction and assistance the serological investigations would not have been possible; to Professors E. [Please select]
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Working with groups of known relationships, these investigators showed that the "accepted" systematic positions of certain birds were confirmed by serological procedures. [Please select]
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The application of serological methods in ornithology has not been extensive. [Please select]
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Methods of Serological Testing The precipitin reaction is the most successful of the serological techniques thus far devised for systematic comparisons. [Please select]
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_All data used in interpretation of the serological relationships were obtained from tests in which formolized antigens of equivalent age were used. [Please select]
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The rabbit is a variable to be considered in serological tests. [Please select]
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The possibility that some of the serological correspondence is due to the "homologizing" effect of formalin on proteins should not be excluded. [Please select]
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14 indicate that _Spiza_ and _Molothrus_ show approximately the same degree of serological correspondence to _Richmondena_. [Please select]
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15 is examined, it can be determined that _Richmondena_ shows much greater serological correspondence to _Spiza_ than does _Molothrus_. [Please select]
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COMPARATIVE SEROLOGY General Statement The application of serological techniques to the problems of animal relationships has been attempted with varying degrees of success over a period of approximately fifty years. [Please select]
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