structure of protoplasm--The nucleus--Centrosome--Function
of the nucleus--Cell division or karyokinesis--Fertilization
of the egg--The significance of
fertilization--What is protoplasm?--Reaction against
the cell doctrine--Fundamental vital activities as
located in cells--Summary 54


PART II.

_THE BUILDING OF THE LIVING MACHINE_.

CHAPTER III.

THE FACTORS CONCERNED IN THE BUILDING OF THE LIVING
MACHINE.

History of the living machine--Evidence for this
history--Historical--Embryological--Anatomical--Significance
of these sources of history--Forces at work in the building of
the living machine--Reproduction--Heredity--Variation--Inheritance
of variations--Method of machine building--Migration and
isolation--Direct influence of environment--Consciousness--Summary
of Nature's power of building machines--The origin of the cell
machine--General summary 131




LIST OF ILLUSTRATIONS.