On the 



Physics & Physiology of 



Protoplasmic Streaming 



in Plants 



By Alfred jf Ewart, D.Sc., Ph.D., F.L.S. 



Lecturer on Botany in the Birmingham Technical Institute 



Communicated to the Royal Society by 



Francis Gotch, D.Sc. (Oxon.), F.R.S. 



With seventeen illustrations 



<& 



Oxford 



At the Clarendon Press 

 MDCCCCIII 



