VI CONTENTS 



: U.I-. 



Paraffin imbedding oven . 30 



Paraffin blocks 31 



Cutting sections 31 



Hand microtome 31 



Machine microtomes 32 



CHAPTER V 



REAGENTS 



Reagent set 39 



Measuring cylinder 40 



CHAPTER VI 



HOW TO MOUNT SPECIMENS 



Temporary mounts 41 



Permanent mounts 41 



Cover glasses 43 



Glass slides 44 



Forceps 45 



Needles 46 



Scissors 46 



Turntable 46 



Labeling 47 



Preservation of mounted specimens 48 



Slide box 48 



Slide tray 48 



Slide cabinet 49 



PART II 



TISSUES, CELLS AND CELL CONTENTS 

 CHAPTER I 



THE CELL 



Typical cell . 53 



Changes in a cell undergoing division 55 



Origin of multicellular plants 57 



CHAPTER II 



THE EPIDERMIS AND PERIDERM 



Leaf epidermis 59 



Testa epidermis 63 



Plant hairs . 66 



