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XV. 
Aves. 
Aves. 23 
542. — Nelson, E. W. Lower Cali- 
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543. — Neumann, L. Der Triel, ein 
standiger Brutvogel im kreise Dt. 
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544. — Neumann, 0. Zwei neue 
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30 1922 pp. 13-14. 
545. — Neumann, 0. [Review of 
Mackworth Praed’s paper on Fran- 
eolins in the Ibis for 1922.] Ornith. 
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546. — Neumann, 0. Neue Formen 
aus dem papuanischen und poly- 
nesischen Inselreich [Muscadivora, 
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547. — Nice, M. M. A study of the 
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548. — Nice, M. M. Some new birds 
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549. — Nicholson, E. M. Some notes 
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Nicolau, S. vide Levaditi. 
550. — Nicoll, M. J. Streptopelia 
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551. — Nicoll, M. J. On a collection 
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552. — Nolf, L. Action du plasma 
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Bui. Acad. roy. Bruxelles (5) 8 1922 
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553. — Nonidez, J. F. Studies on the 
gonads of the Fowl. Ill The origin 
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7 figs. 
554. — Norton, S. P. W. Bird notes 
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555. — Oberholser, H. C. Notes on 
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556. — Oberholser, H. C. Soventh 
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557. — Oberholser, H. C. Notes on 
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558. — Oberholser, H. C. Inocotis 
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dibis Hodgson. Rostrhamus Lesson 
versus Cymindes Spix. Phoenico- 
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Proc. Biol. Soc. Washington 35 1922 
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559. — Oberholser, H. C. New 
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560. — Oberholser, H. and Chapman, 
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204 339-342 3 col. pis. 
Ochoterena, I. vide Ramirez. - 
561. — Oliver, W. R. B. The birds 
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562. — Oliver, W. R. B. Little 
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563. — Olsen, O. Ornitologislc ma- 
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564. — Oordt, G. J. van and Huxley, 
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pp. 34-46 8 photos.. 
