184: MICROBES, FERMENTS, AND MOULDS. 



have also observed the parasitic nature of intermittent 

 fever in Algeria. The organism which they have 

 constantly found in the blood of those affected by 

 marsh fever presents several different aspects, but 

 appears especially to attack the red corpuscle of the 



MB s4.-Parasite of intermittent fever (Laveran): A, normal hammtin; B, B. corpuscle 

 No. 1 ; C corpuscle No. 2, motionless; D. corpuscle No. 2, containing mobile 



,' f Ml''! i gn "? S ; u r ' 1!iCle NO ' 2 ' P rt)Vided w th mobile filaments ; O, d. tachrd 

 r^l . , e " t; H - H - "Tpuscle No. a, I, K. corpus, le No. 2, of small size, 



e,l and agglomerated; L, L, I, wmn tiii8 to which the small corpuscles No. a are 

 attached; M, pigmented leucocytes, their uucki made visible by carmine. 



blood, in which, according to Laveran's expression, 

 " it is encysted like a weevil in a grain of wheat." 



