Haeckel, Ernst Heinrich Philipp August, 1834-1919, Bibliographisches Institut Leipzig · Leipzig und Wien : Verlag des Bibliographischen Instituts · leaf 63
Haeckel, Kunstformen der Natur, Tafel 11 — Heliodiseus. > RT I III SS rufara 933 25% . Ze IS Er « Discoidea. — Scheiben -Straßlinge,
Zoology
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
