AND ENGIS CAVES.

     Human Skeleton found in Cave near Dusseldorf.
     Its geological Position and probable Age.
     Its abnormal and ape-like Characters.
     Fossil Human Skull of the Engis Cave near Liege.
     Professor Huxley's Description of these Skulls.
     Comparison of each, with extreme Varieties of the native
        Australian Race.
     Range of Capacity in the Human and Simian Brains.
     Skull from Borreby in Denmark.
     Conclusions of Professor Huxley.
     Bearing of the peculiar Characters of the Neanderthal Skull
        on the Hypothesis of Transmutation.