294 Animal Biology 



Life Histories of a Few Typical Flukes (Trematodes) 



Pork Tapeworm 



(Taenia solium) 

 Beef Tapeworm 



(Taenia saginata) 

 Dog and Cat Tapeworm 



(Taenia pisiform.is) 

 Dog Tapeworm 



(Dipylidium caninum.) 

 "Gid" Tapeworm 



(Multiceps multiceps) 



Hydatid Tapeworm 

 (Echinococcus 

 granulosus) 



Fish Tapeworm 



(Diphyllobothrium 



latum) 

 Rat Tapeworm 



(Hymenolepis 



diminuta) 

 Sheep Tapeworm 



(Moniezia expansa) 



mammals 

 Rat, mice, man (occa- 

 sionally) 



Sheep, goat, etc. 



Such insects as flea, ear- 

 wig, flour beetle, meal 

 moth, etc. 



Free-living mite 

 (Galumna) 



