X CONTENTS. 



CHAPTER Page 



V. Microscopic Objects and Means of Procuring them . . 47 



Botanical Objects . 47 



Sections of Trees and Plants 48 



Microscopic Shells 49 



Shells in Chalk . ... 60 



Animalcules ...... 51 



Wheel Animalcule 52 



Polypi ...... 53 



Mode of Selecting Aquatic Larvae and other Small Animals 53 



Insects . . ... 54 



Anatomical Injections 55 



Teeth and Shells ..... 55 



Circulation in Animals and Plants . 56 



