66 



TROPICAL MEDICINE AND HYGIENE 



raw or nearly raw beef is eaten, this tapeworm is present 

 in almost all the people. 



An important point in connection with this worm is 

 the liability for infection to occur in persons fed on raw 



FIG. 34 Two mature pro- 

 glottides of Tcenia soliuni with 

 fully developed uterus. 2/1. 



FlG. 35. Mature segment of Tanicc 

 saginata,vi\\h fully developed uterus.. 



2/1. 



FIG. 36. A piece of the muscle of the ox, with three specimens of Cysticerctis 

 bovis, natural size. (After Ostertag.) 



meat, on pounded fresh meat, or even meat juice. This 

 diet is often prescribed for persons with chronic intestinal 

 diseases or impaired powers of digestion. The cysticerci 

 in beef are very small, and they may easily escape notice. 

 Though persons in vigorous health often suffer no in- 



