172 CONSIDERATIONS OF CLASSIFICATION AND METHODS. 



ever confusion has reigned, the establishment of order always results in 

 temporary greater confusion. There is no doubt that the student 

 taking up this subject a few years hence will have the satisfaction, 

 thanks to the zoolo'gist, of only having to burden his mind with one 

 name^for one parasite. 



5. Terminology. This applies to appropriate designations for 

 different organs, symptoms, etc., and is not subject to any rule other 

 than that of good usage. 



