SOLUTION FOR ALGiE 123 



Medium 76 



Solution for Actinomycetes 



Same as No. 71. 



ALG^ 



Medium 77 

 Solution for Algge 



Ammonium nitrate (NH4NO3) 0.5 gm 



Magnesium sulphate (MgS04 + 7H2O) 0.2 gm 



Calcium chlorid (CaC^ fused o.i gm 



Ferrous sulphate (FeSO^ + 7H2O) o.oi gm 



Dibasic potassium phosphate (K2HPO4) 0.2 gm 



Distilled water looo.o c.c. 



For a solid medium add 2 per cent, of washed agar. Let 

 the agar stand in a weak solution of alkaU for several days, 

 then wash. 



Beijerinck, W. M., Centbl. Bakt. (etc.), Abt. 2, Bd. 4, p. 785, 1898. 



Medium 78 

 Solution for Algae 



Calcium nitrate (Ca(N03)2 + 4H2O) 1.65 gm. 



Potassium chlorid (KCl) 0.50 gm. 



Magnesium sulphate (MgS04 + 7H2O) 0.50 gm. 



Monobasic potassium phosphate (KH2PO4) 0.50 gm. 



Ferric chlorid (FeCla + 6H2O) trace 



Distilled water looo.o c.c. 



For a solid medium add 2 per cent, of washed agar. 



