SOLUTION FOR ALG.E 123 



Medium 76 



Solution for Actinomycetes 

 Same as No. 71. 



ALG.E 



Medium 77 

 Solution for Algae 



Ammonium nitrate (NH^NOs) 0.5 gm. 



Magnesium sulphate (MgSO 4 + 7H 2 O) 0.2 gm. 



Calcium chlorid (CaCl 2 ) fused o.i gm. 



Ferrous sulphate (FeSO 4 + 7H 2 O) o.oi gm. 



Dibasic potassium phosphate (K2HPO4) 0.2 gm. 



Distilled water 1000.0 c.c. 



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

 the agar stand in a weak solution of alkali 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(NO 3 ) 2 + 4H 2 O) 1.65 gm. 



Potassium chlorid (KC1) 0.50 gm. 



Magnesium sulphate (MgSO4 + 7H 2 O) 0.50 gm. 



Monobasic potassium phosphate (KH 2 PO 4 ) 0.50 gm. 



Ferric chlorid (FeCl 3 + 6H 2 O) trace 



Distilled water 1000.0 c.c. 



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



