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TVENIA. 



85. Adult. Draw several segments from different parts of the body of the cattle 

 tape-worm provided, showing : scolex ; thin neck ; small anterior proglottides ; larger 

 posterior proglottides ; genital openings. 



86. Scolex.^-Draw demonstration specimens of stained and mounted scolices of : 

 (a) Tuenia saginata, with four suckers ; (b) Toenia solium, with a circle of hooks in addition. 



