46 



AN ELEMENTARY TEXT-BOOK OF BIOLOGY. 



Further Remarks on Tapeworms. 



The following tapeworms are, next to T. solium, of most importance : 



Certain tapeworms are known (parasitic when mature in the intestines 

 of fishes) which have no proglottides. The scolex in these cases pos- 

 sesses a set of hermaphrodite reproductive organs, and, in many respects, 

 is not unlike a fluke. 



