908 
Proceedings of the Eoyal Society 
in which food is built up into more complex and unstable mole- 
cules; and (b) the destructive, disruptive (“ katabolic ”) changes in 
which the protoplasm breaks down into waste products. In terms, 
then, of these physical and chemical processes of anabolism and 
katabolism, we have to explain the whole series of vital phenomena. 
The chemical appendix of the physiological manual has, so to speak, 
to become the book, and the present book the future appendix. 
§ 2. In the former portion of this outline morphological research 
was traced through the study of form, organ, tissue, and cell, still it 
found its. deepest expression in the investigation of protoplasm; and 
w T e have just seen how the phenomena of life, successively discussed 
as habits and temperaments, as functions of organs, as properties of 
tissues, and as modifications of cells, find their final empirical 
explanation in terms of protoplasmic processes. The progressive 
lines of inquiry are thus accurately parallel. The two sides of the 
science exhibit a precisely similar evolution. 
The results of our survey may be conveniently summarised in 
the accompanying diagrams. The columns to the right and left of 
MORPHOLOGY. 
General Survey. 
PHYSIOLOGY. 
Protoplasm. 
Cells. 
Tissues. 
Organs. 
Forms. 
Habits and 
Temperament. 
Functions of 
Organs. 
Functions of 
Tissues. 
Functions of 
Cells. 
Functions of 
Protoplasm. 
Dujakdin. 
Schwann. 
BichAt. 
Cuvier. 
LinnC. 
Encyclop 
1 
Buffon. 
Haller. 
Muller. 
BichAt. 
Virchow. 
Bernard. 
— 
