From Isaac Markens   27 November 1872

Sir.

I shall be under many obligations to you, for a copy of your new work on the Expression in Animals &c, “Voyage of a naturalist”¹ &c with autograph on fly leaves, for my library. If you will inform me of the cost, I shall remit the money.

I am Sir, | With the most profound respect | Your most obedient Servant | Isaac Markens

324 East 78^th. Street | New York City | U.S.