CONTENTS. 



INTBODUCTION. 



PAGE 



Observation of animals during life— Drawing — Methods of killing 

 animals — Dissection — Injection — Microscopical examination — 

 Drawing with the camera luoida — Measuring of microscopical 

 objects — Use of hardening and staining reagents — Section- 

 cutting — Mounting microscopical objects — Preparation of 

 skeletons ... ... xix 



OHAPTEE I. 

 Peotozoa. 



Amoeba — Paramecium — Opalina — Vorticella 



CHAPTEE II. 



Hydra. 



Examination of a living specimen — Examination of transverse 

 sections 14 



CHAPTER III. 



The Livek-Pluke of the Sheep. Fasciola (Distomum) 

 hepaUca. 



The mature liver-fluke— The life-history of the liver-fluke . . 27 



