188. Engis Skull 243 189. Outlines of Three Prehistoric European Skulls compared with an American Skull 244 190. Flint Implement found in Kent’s Cavern, Torquay 245 191. Bone Harpoon (Palæocosmic) 246 192. Sketch of a Mammoth carved on a portion of a Tusk of the same Animal 249 Tabular View of Geological Periods and of Life-Epochs. +--------------------------------------+---------------+--------------+ | GEOLOGICAL PERIODS. | ANIMAL LIFE. | VEGETABLE | | | | LIFE. | +--------------------------------------+---------------+--------------+ | | | | |C {_Post- {Modern. | Age of _Man_ | | |A N {Tertiary_ or {Post-Glacial. | and _modern | | |I E {_Quaternary_. | Mammals_. | Age of | |N o O { | | _Angiosperms_| |O r Z {_Tertiary_ {Pleistocene or |Age of _Extinct| and _Palms_. | |Z O { {Glacial. | Mammals_. | | |O I { {Pliocene. | (Earliest | | |I C.{ {Miocene. | Placental | | |C { {Eocene. | Mammals.) | | | | | | | ----------------------------+---------------+--------------+ | | | | | { {Upper, | | | | M {_Cretaceous_ {Lower, or | | | | E { {Neocomian. | | | | S { | Age of | | | O {_Jurassic_ {Oolite. | _Reptiles_ and| (Earliest | | Z { {Lias. | _Birds_. |Modern Trees.)| | O { | | Age of | | I { | | _Cycads_ and | | C. { {Upper, | (Earliest | _Pines_. | | { {Middle, or | Marsupial | | | {_Triassic_ {Muschelkalk. | Mammals.) | | | { {Lower | | | | | | | | --------------------------------+---------------+--------------+ | | | | | {Upper, | | |