Prussian naturalist Ernst Haeckel set off for Italy in 1859, where, in addition to painting landscapes, he spent the climactic months of his stay glued to his microscope observing and sketching ...

After completing his studies in medicine and biology, a restless Ernst Haeckel set off for Italy in 1859 to study ... months of his stay glued to his microscope observing and sketching ...

It is a valuable resource for dating rocks and studying oceans of the past. historically important material collected in the late 1800s by Ernst Haeckel an extensive radiolarian book and reprint ...