I'm chiming in on this late, but the photograph is from Hutton's Onteora photo album, and he identifies them as "Miss Susie & Clara Clemens." in the margin. The order is off, if he meant to identify them from left to right. A comparison of the Bryn Mawr photo of Susy in Mallory's zip with the gal on the right, along with this image on MTPO, where Susy is in the window seat and Clara on the floor: http://www.marktwainproject.org/xtf/search?keyword=PH00131&x=0&y=0&fieldList=text+date+artist+depicted+pubnote+collno+captionnote+place+repository+title-uniform+identifier&style=mtp&brand=default&sort=date&category=images makes a good case for Susy on the right. Hutton's identification of Clara should cover the gal on the left. I can't post images, but if anyone is interested I composed three juxtapositions which I can email. There is an image of Clara in the P & P owned by the Hartford House that comes close enough to looking like the gal in the left, to my eyes. Leslie Myrick