Plate X of "A Descriptive Catalog of the Monstrosities in the Cabinet of the Boston Society for Medical Improvement". Figure 22: stomach and portion of the intestine of the double fetus last referred to. Figure 24: a portion of the intestine of a double pig. Figure 25: alimentary canal of a double fetus. Figure 33: two views of the fusion of the scapula of a double fetus. Figure 34: fusion of two stomachs in a double pig.