xil 
CONTENTS 
of Flowers and their Geographical Distribution — Recent Views as 
to Direct Action of Light on the Colours of Flowers and Fruits— 
Concluding Remarks on the Importance of Colour in the Organic 
World—On the Origin of the Colour-sense: Supposed Increase of 
Colour-perception within the Historical Period—Concluding Remarks 
on the Colour-sense . . F . . Pages 395-415 
VII. Tae AntTIQuITy AND ORIGIN or Man 
Indications of Man’s extreme Antiquity—Antiquity of Intellectual Man 
—Sculptures on Easter Island—North American Earthworks—The 
Great Pyramid—Conclusion . 7 . . 416-432 
VIII. Tae Antiquity or Man rn NortoH AMERICA 
Ancient Shell Mounds—Man Coeval with Extinct Mammalia—Man in 
the Glacial Period—Paleolithic Implements in North America—The 
Auriferous Gravels of California—Fossil Remains under the Ancient 
Lava Beds—Works of Art in the Auriferous Gravels—Human 
Remains in the Auriferous Gravels—Concluding Remarks on the 
Antiquity of Man. . . . . + 438-449 
IX. Tae Dest or Scrence to Darwin 
The Century before Darwin—The Voyage of the Beagle—The Journal 
of Researches—Studies of Domestic Animals—Studies of Cultivated 
and Wild Plants—Researches on the Cowslip, Primrose, and Loose- 
strife—The Struggle for Existence—Geographical Distribution and 
Dispersal of Organisms—The Descent of Man and later Works— 
Estimate of Darwin’s Life-Work . : . « 450-475 
INDEX. : . < F : 5 é 476 
