Used in Leading 

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Mechanical efficiency, optical perfection, and de- 

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use mark the 



• 



lcroscooes 



In the laboratory extreme delic^/ and accuracy 

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Model 1BH-2 (iBvalrttfted above .o*» $1 >0. Other models 



range fro m $2 , 50 to $17 foi simple aoicrovcope*, and from 

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Our €Ghtk*$ giues futt de$c nptiom and 'prion, rFrHr /or H 



Terms to Educational Institutions 



gausch & [pmb Optica 



4*2 St. MUM. STOUT 

 Mmw York Chicago 



ftOCHISTUU H.Y. 



Wa*ftungton Sa» Francisco 



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CHAS. JVL HIGGINS & CO,, Mfrs. 



Branches: Chicago, London 



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■IBB ^^ y\ m \^ w ^Jr ^^ ■ W ** ^ mm w mt* ^^ -— -**r — — 



Osmotic Pressure in Plants 



BURTON EDWARD LIVINGSTON 



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164 pages, 8f»» cloth 

 tx.50; postage extra cweight x lb. 8 ox-- 



THE UWERSff YOf CHICAGO PRESS 



■* 



