222 



As examples of the leucocytic change, we may 

 give the following : 



(i) Small mononuclear - - 18*1 per cent. 

 Large mononuclear and 



transitional - - 31*4 



Polynuclear - 50*2 ,, 



Eosinophil - - 0*4 ,, 



A fatal case of malignant tertian (Bastianelli). 



(ii) Small mononuclear - - 19*1 per cent. 

 Large mononuclear and 



transitional - - 41*0 ,, 



Polynuclear - 39*0 



Eosinophil - - 0*6 



A fatal case of comatose malignant tertian (Bastianelli). 

 (iii) Small mononuclear - - 18*1 per cent. 

 Large mononuclear and 



transitional - - 26*4 



Polynuclear - 55*3 ,, 



Malignant tertian fever, t. 37*2 C. (Panse). 



(iv) Small mononuclear - - 14*8 per cent. 

 Large mononuclear and 



transitional - - 467 



Polynuclear - 38*5 



Malignant tertian, t. 97*6 F. (S. and C.) 



The figures are by no means always as high as 

 this, but, as we have already said (p. 43), we consider 

 a value above fifteen per cent, as diagnostic of malaria. 

 The higher values are appreciated at once by an inspec- 

 tion of the slide where the large mononuclears seem to 

 occur in every field, and may be pigmented. For the 

 low values a careful count is required. 



Further, together with the increase of the mono- 

 nuclears in malaria.there are, if thorough search is made, 

 also pigmented leucocytes to be found. The relative 

 count of malaria is of great assistance in at least two 



