ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 185 



was f onnd to contain Piroplasma. Examined in the living condition the 

 pear-shaped body gradually changed its shape, becoming first oval, and 

 then again pear-shaped, but with the thin end now at the opposite 

 extremity. No protrusion of pseudopodia was observed. The parasites 

 varied in size. The more common round form had a diameter of about 



1 • 5 fi. The pear-shaped forms ranged from 2 ■ 5 ft by 1 • 5 /x to 3 ft by 



2 ft. The monkeys appear to have been naturally infected, and some of 

 them died. No ticks were found upon them. 



