Photo once in possession of Edgar A. Josselyn, taken by John P. Benson. The subjects can be identified as follows, from writing by Edgar Josselyn on the reverse of a different photo, and from a letter Benson wrote in February 1889. Identifications are in order from left to right. Sitting on floor: John P. Benson, M. Saglio. Seated in second row: Ernest Flagg, Joseph McGuire, Austin W. Lord, Professor Leteurtre, Louis de Sibourg, Edgar A. Josselyn. Standing at rear: Albert L. Brockway, George Cary, Juan Guillermo de Lavalle, Edward L. Tilton, William A. Boring.