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Scott, H. H. and Lord, C. E. Studies Sonntag, C. F. On abnormal features 
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Tursiops tursio. Hobart Proc. R. Soc. d° n Proc. Zool. Soc. 1920 1920 (169— 
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Scott, H. H. and Lord, C. E. Studies ' Sonntag, C. F. On abnormalities of 
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Scott, H. H. and Lord, C. E. Studies 
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Sergeant, L. vide Baroux, P. 
Seton, E. T. Migrations of the Gray 
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Mamm. Baltimore 1 1920 (52-58). 217 
Seton, E. T. For a methodic study 
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Seton, E. T. English names of 
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1 1920 (104-105). 219 
Seton, E. T. Notes on the breeding 
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220 
Seyfarth, C. Beitrage zum totalen 
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Anwendung der Mendelschen Verer- 
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Arch. path. anat. Berlin 228 1920 
(483-509) 74 figs. 221 
Shaw, W. T. The cost of a Squirrel 
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Smith, Capt. C. V. vide Lyon, P. C. 
Smith, G. Elliot. On Examples of 
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Sbderlund, F. Zwei neue Arten der 
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Sonntag, C. F. Description of the 
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Sowerby, A. de C. Sport and Science 
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Sowerby, A. de C. Notes on Heude’s 
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Sowerby, A. de C. A new Three-toed 
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Sp£rok, R. Nogle bemserkninger om 
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Spiegel, E. A. vide Brunner, H. 
StefaneBCU, S. Sur la phylog£nie de 
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Stewart, C. A. vide Jackson, C. M. 
Stewart, F. W. On the origin of the 
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Stewart, F. W. The development of 
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Stoddard, H. L. Nests of the western 
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Sumner, F. B. Geographic variation 
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