Six Scarce Offprints including Zur Theorie der Tierischen Entwicklung

Title Six Scarce Offprints including Zur Theorie der Tierischen Entwicklung Author Spemann, Hans Binding PAMPHLET Publisher Speyer and Kaerner, Freiburg, 1923 and others Condition Very Good Description First edition. Offprint. Six scarce offprints by Nobel Prize winner Hans Spemann. Titles included are: Zur Theorie der Tierischen Entwicklung Speyer & Kaerner, Freiburg, (1923) few stains at page fold. Uber Weckung organisatorischer Fahigkeiten durch Verpflanzung in organisatorische Umgebung with B. Geinitz Julius Springer, Berlin, (1927), Ueber Linsenbildung nach experimenteller Entfernung der primaren Linsenbildungszellen, (1904), Die Entwicklung des invertierten Horgrubehens zum Labyrinth, (1910) Wilhelm Engelmann, Leipzig, Neue Versuche zur Entwicklung des Wirbeltierauges (1908) Edmund B. Wilson stamp on blank cover which is loose, torn but present. Uber Embryonale Transplantation (1906) torn and badly chipped on top spine corner with text missing. A poor defectiv