IXODIC AN^'.:MIA — TEXAS FEVEi;, ETC. 



Plwto-}[icro(irciphs of f/ie Hcematozvon in c((runis i^tage^. 



Fig. 25c. 



Stack 3, same as seen in Tick Fig. 2"). 



% 



• 



% 



%*^ 



Sta(;k 3. 

 Blood of 0.\, showiug small segiiifuting bodies (plasniodia) in interior of the red lilnod 

 corpuscles. These stain with great difRculty, and are here representetl by the colourless 

 (white) portions. The red corpuscles are shrunk to about half their normal size. 

 the shrinking lieing more pronounced than in the corpuscles of the " Tick." 



Fig. •25d. 



89 



Stage 4. 



Blood of Ox, showing enlargement of free segmenting bodies, the previous stages oi 

 which are seen in Figs. •>').\ and 2')!!. Tlie liodies are seen here j)erfectly spherical, 

 with distinct and smooth outlines, and show, apparently, no internal structun'. 'I'hey 

 are not, however, vacuous, but contain transparent endoplasm, which is less refractive 

 than the small spheres noticed in the tirst four illustrations. They vary in size from 1 fx. 

 to 1^ /x. in diameter. 



