Tests imtli Precipitins 



393 



a a 



-« ^ -« ^ 



•2i 



c3 S 



^■3 



cs a 



>.'-« 





as 



03^ 



=« ^ = 



.- M 



03-^ -23 



P^ Ph 



■« -a J5 



^ m o 



y i- i- 





