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KOSTYCHEVS 



PLANT RESPIRATION 



AUTHORIZED EDITION IN ENGLISH 

 WITH EDITORIAL NOTES 



BY 



Dr. S. KOSTYCHEV 



MEMBER OF THE RUSSIAN ACADEMY OF SCIENCE, PROFESSOR IN 

 THE UNIVERSITY OF LENINGRAD 



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TRANSLATED AND EDITED /^, ;*\ ^"^^^ -^ ^ 



BY 



CHARLES J. LYON, Ph. D. 



ASSISTANT PROFESSOR OF BIOLOGY AT DARTMOUTH 

 COLLEGE, HANOVER, N. H. 



LIBRARY,-, 



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WITH ILLUSTRATIONS 



PHILADELPHIA 



P. BLAKISTON'S SON & CO 



1012 WALNUT STREET 



