CONTENTS. 



CHAPTER I. 

 APPARATUS AND METHODS. 



PAGE 



Simple Lenses ; Lens Stands ; Black and White Plates ; Dis- 

 secting Microscope ... ... ... ... ... ... 1 



Compound Microscope ; Notes on Use of Microscope ; Accessories 



for Microscopic Work ... ... ... ... ... ... 3 



Fixation and Preservation of Material ; Section Cutting ; Razors ; 



Embedding in P]lder Pith 9 



Mounting ; Application of Reagents ; Irrigation ; Clearing 

 Reagents ; Permanent Glycerine Mounts ; Staining and 

 Balsam Mounting ... ... ... ... ... ... ... 14 



Moist Chamber Slides ; Ward's Tube 20 



Apparatus for Plant Physiology ; Hints on fitting up Apparatus ; 



Experiments ... ... ... ... ... 22 



CHAPTER II. 

 CELL-CONTENTS AND CELL-WALLS. 



The Vegetable Cell; Protoplasm, Nucleus, Mitosis, Cell- 

 division 27 



Streaming Movements of Protoplasm in Elodea, Chara, Nitella, 

 Tradescantia ; Effects of Temperature, Chloroform, Carbon 

 Dioxide, and Exclusion of Oxygen on Streaming ... ... 29 



Effects of Heat, Cold, Poisons, etc., on Living Protoplasm ... 32 

 Vegetable Proteins ; Primary Proteins ; Conjugated Proteins ; 



Derivatives of Proteins ... ... ... ... 36 



Experiments with Egg Albumin ; Reactions of Proteins... ... 38 



Proteoses and Peptones ; Experiments with Commercial Peptone ; 



Dialysis Experiments with Albumin and Peptone ... ... 41 



Proteins in Pea Flour, Potato Tuber, Wheat Flour, Brazil Nut 42 

 Microchemical Tests for Proteins ; Protein Grains ... ... 44 



