746
ENDEMIC HÆMATURIA
[CHAP.
features of the cercariæ of S. hæmatobium and S. mansoni. Leiper lays stress on four points, viz.: (1) that these cercariæ
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/Tropical_Diseases_-_Fig_133.png/250px-Tropical_Diseases_-_Fig_133.png)
Fig. 133. Bulinus dybowski. (After Leiper.)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/30/Tropical_Diseases_-_Fig_134.png/175px-Tropical_Diseases_-_Fig_134.png)
Fig. 134. Bulinus innesi. (After Leiper.)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/48/Tropical_Diseases_-_Fig_135.png/250px-Tropical_Diseases_-_Fig_135.png)
Fig. 135. Bulinus contortus. (After Leiper.)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Tropical_Diseases_-_Fig_136.png/250px-Tropical_Diseases_-_Fig_136.png)
Fig. 136. Planorbis boissyi. (After Leiper.)