[122] Klaatsch in his last publications speaks in the main only of an ancestral form common to men and anthropoid apes.
[123] Haeckels latest genealogical tree is to be found in his most recent work, Unsere Ahnenreihe. Jena, 1908.
[124] Sergi, G. Europa, 1908.
[125] See Ameghino's latest paper, "Notas preliminaries sobre el Tetraprothomo argentinus," etc. Anales del Museo nacional de Buenos Aires, xvi. pp. 107-242, 1907.
[126] "Nouvelles recherches sur la formation pampéenne et l'homme fossile de la République Argentine." Rivista del Museo de la Plata, T. xiv. pp. 193-488.
V
CHARLES DARWIN AS AN ANTHROPOLOGIST
By Ernst Haeckel