CONTENTS. 



i. 



YEAST. 



General characters Fermentation Appearances of yeast under the micro- 

 scope Structure of yeast cells Chemical composition Mode of multiplication 

 Growth in Pasteur's fluid Physiology of yeast Laboratory work. 



p. i 10. 



II. 



PROTOCOCCUS. 



Habitat Histological structure Modes of multiplication Dependence on 

 light Physiology of Protococcus Motile stage Laboratory work. p. n 16. 



III. 



PROTEUS ANIMALCULE. COLOURLESS BLOOD CORPUSCLES. 



Habitat Movements Structure Chemical composition 

 Effects of temperature and electric shocks Encystation COLOUKLESS BLOOD 

 CORPUSCLES Movements Structure The influence of various reagents on 

 them Physiology of Amoeba. Laboratory work. . .; . p. 17 23. 



IV. 



BACTERIA, 



Form and structure Movements Spirillum volutans Stationary stage 

 Zooyloea Growth in Pasteur's fluid Relation to putrefaction Power of 

 resisting desiccation Laboratory work. . . . . p. 24 28. 



