Slide showing engraving of 'Fasciola hepatica'. Slide shows black and white engraving of 'Fasciola hepatica'. Label below image reads, 'Fig. 61. - Fasciola hepatica. Enlarged. A. Blanchard'. From the 'Parasites and Their Hosts' series. Small round sticker in upper right corner, '21'. Small sticker in upper left corner reads, 'Laurie, London.' Number '16'(?) written on tape on top edge of slide. Late 19th - early 20th century