1. The earliest stage observed was an Amoebula which developed into multinucleate plasmodia.3

2. This process, observed only in young plasmodia, involves the abstriction of aphanoplasmodial pseudopodia.

3. Malaria parasites —protozoans called Plasmodia— are introduced into the human bloodstream through the bite of a female Anopheles mosquito.

4. Blood parasites are malaria plasmodia, microfilaria species, trypanosomes (the causative agents of African sleeping sickness and South American Chagas disease) and the causative agents of schistosomiasis of the bladder and the intestine.