
          Cambridge, Sept. 4, 1857
 [inserted below the above insciption: morning]


 My Dear Dr.


 Herby has not
 come yet. I wonder at
 it.


 Your letter of the 2d
 came yesterday afernoon -
 and the parcel this morning.


 I have just glanced over
 the pages a little, of the
 portions I had not seen
 in proof.


 I will mark the sheets
 you sent, as I look them 
 over, and return them. -


 Englemann's Cactaceae
 at a glance seem to be
 better printed than I thought.


 N.B. I have a chance
        