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21 |
Notes on the genus Petroica Mayr, Ernst. - New York : American Museum of Natural History, 1934
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22 |
Notes on Neolalage banksiana (Gray) Mayr, Ernst. - New York : American Museum of Natural History, 1933
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23 |
Notes on Polynesian flycatchers and a revision of the Genus Clytorhynchus elliot Mayr, Ernst. - New York : American Museum of Natural History, 1933
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24 |
Notes on the genera Myiagra and Mayrornis Mayr, Ernst. - New York : American Museum of Natural History, 1933
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25 |
Notes on the variation of immature and adult plumages in birds and a physiological explanation of abnormal plumages Mayr, Ernst. - New York : American Museum of Natural History, 1933
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26 |
Three new genera from Polynesia and Melanesia Mayr, Ernst. - New York : American Museum of Natural History, 1933
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