x CONTENTS. 



V. 



MOULDS. 



Fungi Their spores PENICILLIUM Habitat General characters 

 Form and structure Development MUCOR Habitat Form and 

 structure Development, asexual and sexual Alternation of generations 

 Mucor Torula Laboratory work. . . . . p. 30 41. 



VI. 



STONEWORTS. 



Habitat and general characters Development Mode of growth and 

 microscopic structure Protoplasmic movements Organs of reproduc- 

 tion Physiology Laboratory work p. 42 54. 



VII. 



THE BRACKEN FERN. 



Habit Structure, gross and microscopic The various tissues 

 Mode of growth Development Prothallus Sexual organs Alterna- 

 tion of generations Laboratory work p. 55 69. 



VIII. 

 THE BEAN PLANT. 



Habit General structure Development and mode of growth 

 Sexual organs Homology with the reproductive organs of the Fern 

 Physiology Laboratory work. . . . . . p. 70 88. 



IX. 



THE BELL ANIMALCULE. 



Habit and distribution Anatomy Movements Contractile vesicle 

 Ingestion Modes of multiplication Encystation Laboratory work. 



p. 8907. 



