Mark Twain on vivisection. [Eulogy on the dog / by Senator George G. Vest]Twain, Mark, 1835-1910Vest, George Graham, 1830-1904[1903?]Caption title.Part of a letter to S.G. Trist, dated Vienna, May 26th, 1899, published complete in England under title: The pains of lowly life. Vest's Eulogy is printed on p. [3].text