vit v9 AI, 
CONTENTS OF DIVISIONAL VOLUME IL. 
LIST OF ILLUSTRATIONS. 
PORTRAIT OF PROFESSOR KERNER VON MARILAUN, 
PAGE 
Frontis. 
Pirate I. SWARM-SPORES AND ZYGOSPORES. FORMS OF ÜHLOROPHYLL-BODIES, - to face 36 
„ II. Insectıvorous PLANTS: SUNDEW AND BUTTERWORT. - - - - oe 214% 
» III. Tropica, EpıpHYTEs ın CEYLoN, - - - - - - - 222 
Illustrations in.the Text—Fig. 1 to Fig. 59. 
INTRODUCTION. 
Page Page 
Tur Srupy oF PLANTs In ANCIENT Doctrine of Metamorphosis and ne 
AND IN MODERN Times. of Nature-Philosophy, - - - 7 
| Scientific Method based on the History of 
Plants considered from the point of view Development, —- - - - - 1 
of Utility, - - - - - - 1 | Objects of Botanical Research at the present 
The Description and Classification of Plants, 3 day, - - - - - - - 15 
THE LIVING PRINCIPLE IN 
1. PROTOPLASTS CONSIDERED AS THE SEAT 
OF LIFE. 
Discovery of the Cell: Researches of Swam- 
merdam, Leeuwenhoek, and Unger, - 21 
Discovery of Protoplasm, - - - - 2 
2. Movements or PROTOPLASTS. 
Swimming and Creeping Protoplasts, - - 28 
Movements of Protoplasm in Cell-cavities, - 32 
Movements of Simple Organisras—Volvo- 
cine, Diatomacex, Oscillarie, and 
Bacteria, - - - - - - 37 
PLANTS. 
3. SECRETIONS AND ÜONSTRUCTIVE ACTIVITY 
| OF PROTOPLASTS. 
Cell-sap: Cell-nucleus: Chlorophyll-bodies : 
Starch: Crystals, = = - - 41 
Construction of the Cell-wall and establish- 
ment of Connections between neigh- 
bouring Cell-cavities, - - - - 42 
4. COMMUNICATION OF PROTOPLASTS WITH ONE 
ANOTHER AND WITH THE ÖUTER WORLD. 
The Transmission of Stimuli and the Specific 
Constitution of Protoplasm, - - - 47 
Vital Force, Instinet, and Sensation, - = Ot 
ABSORPTION OF NUTRIMENT. 
1. INTRODUCTION. 
Classification of Plants, with reference to 
Nutrition, - - - - - - 55 
Theory of Food-Absorption, - - - 57 
2. ABSORPTION OF INORGANIC SUBSTANCES. 
Nutrient Gases, - - = - 2 - 60 
Nutrient Salts, - - = = = - 66 
Absorption of Food-salts by Water-plants, - 75 
