But you are mistaken in thinking that I ever said you were wrong on any point.
All that I meant was that on certain points, and these very doubtful points, I was inclined to differ from you.

And now, on further considering the point on which some two or three months ago I felt most inclined to differ--viz., on isolation--I find I differ very little.
What I have to say is really not worth saying, but as I should be very sorry not to do whatever you asked, I will scribble down the slightly dissentient thoughts which have occurred to me.

It would be an endless job to specify the points in which you have interested me; but I may just mention the relation of the extreme western flora of Europe (some such very vague thoughts have crossed my mind, relating to the Glacial period) with South Africa, and your remarks on the contrast of passive and active distribution.
Page lxx .-- I think the contingency of a rising island, not as yet fully stocked with plants, ought always to be kept in mind when speaking of colonisation.
Page lxxiv .-- I have met with nothing which makes me in the least doubt that large genera present a greater number of varieties relatively to their size than do small genera.

(290/2.

Bentham thought "degree of variability...