LECTURES 



ON 



PEACTICAL HELMINTHOLOGY, 



LECTURE I. 



Parasitism offers a new Field of Research Life, History, and Eco- 

 nomy of the Entozoa' Teleological Inferences Serious Maladies 

 produced by Helminths Demand for a Special Recognition of 

 this Class of Diseases General Structure of the Tapeworms--- 

 Diagnostic and Prognostic Value of a Knowledge of the Major 

 Facts of Development Case I. Tapeworms are derived from 

 Mutton, Beef, and Pork. 



GENTLEMEN, As the science and practice of our 

 calling advances, it necessarily follows that new 

 avenues of knowledge are continually opening up to 

 our view, and those of us who are not afraid of " toil 

 and trouble " may rest assured that a hold entry 

 into any one of these hitherto unbeaten paths will 

 not only bring to the professional investigator a rich 

 increase of pleasant (and sometimes of unpleasant) 

 knowledge, but will enable him to point out the 

 means of checking, if not of entirely eradicating 

 a variety of formidable diseases. 



The truth of this general statement cannot be 

 B 



