344 KENNEL SECRETS. 



should be promptly resorted to. Mixture No. i should be 

 relied upon until the eighth week ; then if it fails, No. 2 

 should be tried, and depended upon afterward as long as 

 it proves efficacious — even up to and during maturity. 

 When No. 2 is found wanting areca nut should be used ; 

 and that failing in turn, the male-fern mixture can be 

 called into service. 



A combination of these vermifuges should be made only 

 when singly they are incapable of doing the work ; and 

 after the twelfth month, previous to which one after 

 another may be given if necessary, but always with inter- 

 vals of several days between each. 



Finally, infection is always in lurk in kennels, conse- 

 quently it is advisable under such conditions to give pup- 

 pies that have passed the tenth week a dose of vermifuge 

 occasionally, until after the eighth month. 



