William Pearce Howland's signature.
Traced in Adobe Illustrator from https://books.google.ca/books?id=K1tvcw6l3kQC&amp;pg=PA124&amp;lpg=PA124&amp;dq=william+pearce+howland+portrait+gallery&amp;source=bl&amp;ots=OVSTUCsSD-&amp;sig=ZwaBslLJnV7-PcILwlMKq-5dLHw&amp;hl=en&amp;ei=GjQDS97NJciKnQfGwpFr&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resn
William Pearce Howland