308 KEPOKT OF CHEMICAL LAnORATOUY 



More complete exnmiimtioiis won- inudi' on tlir foUowiiifi; dates : — 



The proportion of CO., recorded represents simply 

 titration with acid. 



the measure of the alkalinity determined by direct 



Suspended Solid matter in siispni.fion. — For iiiort' reudy loiiiparisoii, these figures have been 



maiter in Nile tabulated Separately as follows :— 



waters 



Novemljcr, 1904 

 Decemlier „ 

 January, 1905 .. 



February „ 



March „ 



April „ 



May „ 



June „ 



July 



August „ 



Scptcml)cr „ 



Octol)er „ 



November „ 



WHITE NILE 



BLUE NILE 



For the greater portion of the year the White Nile carried from 50 to 80 part.s of 

 suspended matter per million. In August it rose to 142 parts, but this may have been 

 derived in part from the lilue Nile, the Hood i>f which is so much greater that in July, 

 August and September it may actually flow up the bed of the White Nile for a short 

 distance. 



