Down Farnborough Kent
July 31st
My dear Sir
I had hoped to have had no occasion to have troubled you again by letter, but the enclosed1 throws me quite back.— Will you be so kind as to read it over, & tell me what I must answer. I have not the least idea, whether glass coated with colour or coloured throughout makes any difference. Will you be so kind as to let me have one line in answer, & return the enclosed.—
I asked whether they had (& the price of)
& used your name & stated that my object was to experimentise on plants.—
Pray forgive this trouble | Yours truly obliged | Charles Darwin
Please cite as “DCP-LETT-1734,” in Ɛpsilon: The Charles Darwin Collection accessed on