CONTENTS. 



INTBODUCTION. 



PA&B 



On the observation of animals during life — On drawing — On the 

 methods of killing animals — On dissection — On injection — On 

 the use of reagents — On microscopical examination , . . xv 



CHAPTER I. 



Protozoa. 



Amoeba — Paramecium — Opalina — Vorticella 1 



CHAPTER II. ^ 



Hydea. 



Examination of a living specimen — Examination of transverse 

 sections 13 



CHAPTER III. 



The Livee-Fluke of the Sheep. Fasciola (Distomum) 

 hejaatica. 



The mature liver-fluke — Life-history of the liver-fluke ... 25 



