LAVEEANIA. 



265 



rapid and repeated divisions, and finally produce an enormous 

 number of minute sporozoites. These sporozoites are set free 

 through the rupture of the cyst-wall into the body-cavity, 

 find their way into the salivary glands, and are inoculated 

 into a new victim when the mosquito bites one. The ookinetes 

 and the developing oocysts of this species are distinguished 



m t 



Fig. 134. — Oocysts of Laverania malarise Grassi & Feletti projecting 

 from the wall of the stomach of an infected Anopheles; 

 c, crop ; m.t., Malpighian tubules ; o, oocysts of Laverania ; 

 T, ventral reservoir ; s, stomach, the enlarged portion of the 

 mid-gut ; s.gl., salivary glands. (From Reichenow, after 

 Ross and Grassi.) 



from those of P. vivax by the dark colour of the pigment m 

 the former and the light brown or yellow pigment in the 

 latter. Also a much larger number of oocysts occurs, and they 



