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13. Allen, Arthur A. 



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14. Forbes, S. A. 



The Regulative Action of Birds Upon Insect Oscillations. 

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15. Hiley, Smith 



Fur Culture on the National Forests. 



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Maintenance of the Fur Supply. 



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18. Bates, Carlos G. and Henry, Alfred J. 



Stream-Flow Experiment at Wagon Wheel Gap, Colorado. 

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19. Embody, George C. 



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