250 



SCIENCE. 



Pig. 14. 



I3t 



S6 



27 



27 



46 



48 



47 



JO/} 





Ultra Red. 



lied. 



OraDtjL 



Yelloii 



Green . 



JJlue. 



Indiyo 



Violet . 



Ultra Violet. 



1 ! 



Xamp. 



JJ.'in-h 





















Hed WC 



rsted. 





j 











1 

 i 



Green 



SUA.. 













ifardJtu. 



)b(*r S 



katriht 



'S. 





j \Vapor of Sulphuric E 



'h er. 











Todine 



VCfJOl 



• j 





Pi 



•roxid 



b of A 



itrogen . 



i 







H ' 





Sett 



niurh 













Adsorption by Hard Hi 



Absorption I 

 fOOvr. 1 



,y .11, 



im. 



•- 









j Jibs oi 



ptionbifJmnn 

 Of Popper 





















