From Francis Beaufort to Robert FitzRoy 1 September 
My dear Sir
I believe my friend Mr Peacock of Triny College Cambe has succeeded in getting a “Savant” for you— A Mr Darwin grandson of the well known philosopher and poet—full of zeal and enterprize and having contemplated a voyage on his own account to S. America
Let me know how you like the idea that I may go or recede in time | F B
Believes he has found a "savant" for FitzRoy in CD, whom he describes as grandson of Erasmus Darwin and "full of zeal and enterprize".