
          H. went twice in search of the Roubieva in
 vain, tho' I gave him a specimen as a guide.
 I [then?] appointed a morning to go with him, but
 he did not keep his appointment & I therefore
 went, & detected an exact, & abundant
 locality, of which I made him a surveyor's
 plan. I conclude a sufficient one, as I have
 not since seen him. If he fails, I have
 1/2 a doz. specimens at your service, as I
 intended-- when making them-- I purpose
 taking a run to Cambridge about the
 middle of next week, or it may be I shall
 not start before Monday (2d Oct'r [October]) It will
 depend mainly on the health of dear Sam. [brother Samuel Thomas Carey]
 who is very feeble. Indeed, I am very anxious
 about him. The bronchial irritation (with
 slight bleeding indications) continues, & he
 is now subject to cold fits, with slight feverish
 reaction, & in general exhibits great prostration.
 My stay at Cambridge will probably be
 limited to a week or two-- & I shall hope
 to see you on my return. I take it for
        