PARASITES IN MALARIAL FEVER 23 



are slight. The smallest forms are smaller than any 

 forms in benign tertian or quartan. The red corpuscle 

 containing the parasite crenates readily, but the corpuscle 

 is usually of the average size and colour ; sometimes it is 

 more yellow and brassy. 



TABLE OF DIFFERENCES BETWEEN THE PARASITES OF MALARIA. 



Parasites at this stage may be found at each successive 

 examination extending over a period of several days, but 

 are usually more numerous at one time than at another. 

 At some of the examinations they may not be found, 

 whilst a few hours later they may be numerous. It is 

 common to find a few slightly larger parasites with more 



