[London,] 24 January 1866 

Dear Friend, 

At the same time as I sent the cards to you, I wrote a detailed 
letter to Mr Vogt.* I thought I was being very clever in using two 
different addresses. The only error I may possibly have committed 
is to have put No. 6 instead of 16 in Vogt’s address.” 

I should therefore be grateful if you would enquire at the Post 
Office and inform me of the results. Since I wrote to you,” a 
fresh carbuncle has developed in a spot that is very painful when I 
sit, so that after my daily labour of fair-copying my manuscript” 
for the publisher,“ I am extraordinarily exhausted. 

Your 
K. M.