30 Aves. 
XVII. Aves. 
[1920] 
Shufeldt, R. W. Contribution to the 
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Siebers, H. C. Zwarte en bonte 
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Cl. Nederl. Vogelk. Delft 10 1920 (6-13). 
679 
Silloway, P. M. Guide to the summer 
birds of the Bear Mountain and Harri- 
man Park sections of the Palisades 
Interstate Park. (1-105) map 32 figs. 
Syracuse N.Y. (State College of Fores- 
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Simon, T. Beitrag zur Avifauna des 
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beobachtungen. Orn. Beob. Basel 18 
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Simpson, S. E. R. vide Wright. 
Sjobeck, M. Iakttagelser rorande 
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(Sk&ne). Fauna och Flora Uppsala 1920 
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Skinner, M. P. The Pink-sided Junco . 
Condor Hollywood Cal, 22 1920 (165- 
168). 683 
Skovgaard, P. Den Sorte Stork 
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Skovgaard, P. Storkens ( Giconia 
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Skovgaard, P. D. 0. C.’s Ringmserk- 
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Viborg i 1920 (10-12). 686 
Skovgaard, P. Fuglelivet i Vibor- 
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map. ' 687 
Skovgaard, P. Nogle Data om 
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photos. 688 
Smith, A. P. Items relative to Costa 
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Snouckaert van Schauburg, Baron R. 
Vier nieuwe soorten voor Sumatra. 
Jaarb. Cl. Ned. Vogelk. Delft 10 1920 
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Snouckaert van Schauburg, Baron R. 
Ornithologie van Nederland. Waar- 
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met 30 September 1920. Jaarb. Cl. 
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Snouckaert van Schauburg, Baron R. 
De Sumatraansche Vogellijst. Jaarb. 
Cl. Nederl. Vogelk. Delft 10 1020 (115). 
692 
Sody, H. J. V. Mirafra javanica (de 
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Someren, V. G. L. van. Description 
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Soper, J. D. Nesting of the Ruby- 
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Canad. Field-Nat. Ottawa 34 1920 
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Sorenson, E. S. Aboriginal names of 
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696 
Sowerby, A. de C. On a Rose-Finch 
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Cl. 40 1920 (98-102). 697 * 
Speedy, T. The Natural History of 
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Spegazzini, C. El Patagona gigas en 
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Stadler, H. Dio Vogolwelt Unter- 
frankens. Miinchon Verhandl. Orn. 
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Stalder u. Schmitt. Die Formen des 
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1920 (65-68). 701 
Stenbach, K. S. vide Hilden. 
Stenhouse, J. H. Some observations 
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Ibis London 1920 (671-678). 702 
Stephenson, J. C. Studies on the 
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