X CONTENTS. 



V. 



Moulds. 



Fungi — Their spores — Penicillium — Habitat — General characters — Form 

 and structure — Development — Mdooe — Habitat — Form and structure — Deve- 

 lopment, asexual and sexual — Alternation of generations — Mucor Torula — 

 Laboratory work. . ...... p. 29 — 40. 



VI. 



Stoneworts. 



Habitat and! general characters — Development — Mode of growth and micro- 

 scopic structure — Protoplasmic movements — Organs of reproduction — Physiology 

 — Laboratory work. . . . . .p. 41 — 53. 



VII. 



The Bkacken Fern. 



Habit — Structure, gxoss and microscopic — The various tissues — Mode of 

 growth — Development — Prothallus — Sexual organs — Alternation of genera- 

 tions — Laboratory work. ........ p. 54 — 67. 



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. 68 — 85- 



IX. 



The Bell Animalcule. 



Habit and distribution — Anatomy — Movements — Contractile vesicle — 

 Ingestion — Modes of multiplication — Encystation — Laboratory work. 



p. 86 — 94. 



X. 



Fresh-watbb Polypes. 

 Habit and form — Naked eye appearances — Mode of feeding — Multiplication 

 — Microscopic structure — Relationships to simpler plants and animals — 

 Laboratory work. . . p. 95 — 103. 



