SCIENCE 



New Series 



Vol. LVI, No. 1440 



Friday, August 4, 1922 



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STILES— Human Physioloir- By Percy Gold- 

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STILES — Nervous System and its Conserva- 

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STILES— Nutritional Physiology. By Percy G. 

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Lusk, 



BURTON-OPITZ— Elementary Physifllogy. 



Russell Burton-Opitz, M.D. $2.50 net. 



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By 



By 



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BURTON-OPITZ— Text-Book of Physiology. 



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HOWELL— Physiology. By Wm. 



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"^ AUG 5 ]Q2i 





