'18 



CAUSES AND PREVENTION OF DISEASE. 



give each in the morning two drams of ethereal oil of male fern 

 in 2 to 4 ounces castor oil. 



Or after fasting, give to each sheep powdered areca-nut 2 

 drams ; oil of male fern I dram in 4 ounces of syrup, follow 

 by four to six ounces of castor oil the next day. For older sheep 

 give from a half more to twice these doses. 



FIG. 38. A COMMON TAPE WORM OF SHEEP. (Curtice.) 

 Tu< nia cj'/Kinsa. 



1. Head and Neck. A, A, Suckers; B, B, folds in neck; C, C, first seg- 

 ments. 



2. Head and Body, Showing Segments. A, Head. 



For intestinal worms in swine, santonine 5 grain dose repeat- 

 ed if necessary, or 25 drops turpentine three times a day. 



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