Offene Fragen der pathologischen Embryologie. Offprint. Ludwig/Weed copy

1891. His, Wilhelm (1831-1904). Offene Fragen der pathologischen Embryologie. Offprint from Internationale Beiträge zur wissenschaftlichen Medicin, Festschrift, Rudolf Virchow gewidmet zur Vollendung seines 70. Lebensjahres, vol. 1 (1891). 17pp. Photogravure plate; text illustrations. His's facsimile signature on p. 17. 265 x 191 mm. Original printed wrappers chipped and with a few marginal tears. Toned due to acidic paper, but good to very good. From the library of physiologist Carl Ludwig (1816-95), with "Ludwig Collection" stamp on front wrapper; later from the library of anatomist Lewis Weed (1886-1952), with his stamp on the front wrapper. First Edition, Offprint Issue. His's paper on open questions in pathological embryology was among the papers included in Rudolf Virchow's 70th birthday festschrift. The plate shows a sagittal section through the midplane of an 8-millimeter human embryo. . (Inventory #: 51888)