CHAPTER IL 

 PAEASITES. 



Parasites — their numbers. Tapeworms. Tsenia Coenurus. Coenurus Cer- 

 el rails and their effects, Staggers, Turnsick, Gid, Sturdy, Water-brain in 

 calves and lambs. TEenia Echlnococcus, Echinococcus Veterlnorum (Hom- 

 inis), Echlnococcus disease. Taenia Solium. Cysticercus Cellulosa, Para- 

 sitic measles in swine. Taenia Mediocanellata, Cysticercus Mediocanellata, 

 Parasitic Measles in cattle. Taenia Expansa, tapeworm in sheep and cattle. 

 Lard Worm, Kidney Worm of hogs. Eustrongylus Gigas, Kidney Worm. 

 Trichina Spiralis, Trichinosis. 



PABASITES. 



The domestic animals harbor no less than two hundred 

 species of parasites which will be found treated in the au- 

 thor's larger work, but the limits of the present book will 

 restrict us to a few of the more injurious. For convenience 

 of reference most of these are noticed in connection with 

 the organs (skin, bowels, liver, air-passages,) which they 

 infest, and here we will only name such as having a more 

 general diffusion through the body cannot well be referred 

 to any one organ. 



TAPE-WOEMS. 



These are fiat-bodied worms made up of small segments 

 joined end to end, and when full grown varying in length 

 from one inch to one hundred feet. The narrow end ter- 

 minates in a smaU globular head furnished with circular 

 sucking discs, and a proboscis usually encircled by one or 

 more rows of booklets. From the other end the ripe seg- 

 ments are continually detached and expelled from the 

 body, and may be recognized as little, white, flattened, 



