His great work, as yet practically unknown, the result of a lifetime of the most painstaking labour, ranks among the most important contributions to Zoogeography.
"The History of the European Fauna"
R. F. Scharff
They are, moreover, built upon such solid geological evidence, that even if the science of Zoogeography had not yet taught us anything, naturalists would not hesitate in accepting them.
"The History of the European Fauna"
R. F. Scharff