The Man Who Walks With Henslow.

The Presence Of A Body Of Well-instructed Men, Who Have Not To Labor For Their Daily Bread, Is Important To A Degree Which Cannot Be Overestimated; As All High Intellectual Work Is Carried On By Them, And On Such Work Material Progress Of All Kinds Mainly Depends, Not To Mention Other And Higher Advantages.

I Am Almost Convinced (quite Contrary To Opinion I Started With) That Species Are Not (it Is Like Confessing A Murder) Immutable.

Your Words Have Come True With A Vengeance That I Shd [should] Be Forestalled ... I Never Saw A More Striking Coincidence. If Wallace Had My M.s. Sketch Written Out In 1842 He Could Not Have Made A Better Short Abstract! Even His Terms Now Stand As Heads Of My Chapters.

I Suppose You Are Two Fathoms Deep In Mathematics, And If You Are, Then God Help You. For So Am I, Only With This Difference: I Stick Fast In The Mud At The Bottom, And There I Shall Remain.

It May Be Doubted Whether Any Character Can Be Named Which Is Distinctive Of A Race And Is Constant.