deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index f144a86..c7028b3 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
...
When we look to the individuals of the same variety or sub-variety of our older cultivated plants and animals, one of the first points which strikes us, is, that \textbf{they generally differ much more from each other}, than do the individuals of any one species or variety in a state of nature. nature.//