PHENOMENA OF ORGANIC NATURE 329 
‘present moment a millionth part of the matter of 
_ which they were originally formed! We have 
seen, again, that not only is the living matter 
derived from the inorganic world, but that the 
forces of that matter are all of them correlative 
with and convertible into those of inorganic 
nature. 
_ This, for our present purposes, is the best view 
_ of the present condition of organic nature which I 
_ ean lay before you : it gives you the great outlines 
of a vast picture, which you must fill up by your 
_ own study. 
In the next lecture I shall endeavour in the 
same way to go back into the past, and to sketch 
in the same broad manner the history of life in 
epochs preceding our own. 
