INDEX 



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PAGE 



Jacobson's organ in human embryo, figure showing 45 



Japanese cycads, figure showing 168 



Java, ape-man of 134, 135 



former connection of, with Asia 86 



Jennings, Herbert Spencer, chapter by 24-33 



Johnson, Martin, figure taken from work by 232, 240 



Jordan, David Starr, chapter by 1-12 



and Evermann, Barton Warren, cited 91 



"Jordan's law," reference to 7 



Jurassic period, cycads of 168 



events of I6l 



fishes of 130-131 



floras of 165-166, 168-169 



flying animals of 260-262 



Keith, Sir Arthur, cited 289 



Kerguelen land, flightless insects of 100 



Kiaer, Johann, cited 273 



Kiwi, vestigial wings of 38, 39 



Kohler, W., cited 304-305, 306, 307 



experiments made with apes by 300-302 



figures reproduced from work by 300, 302 



Kowalevsky, cited 73 



Krakatau, restocking of, by animals and plants 95 



Krausel and Weyland, figure cited from 164 



Kurile Islands, former connection of, with Asia 86 



Lamborn, W. A., study of butterflies by 184 



Land plants, first appearance of 160 



Lang, figure made from photograph by 222 



Lankester, Ray, cited 121 



Lanugo, vestigial nature of 45-46 



Larva, example of 54 



Larval and embryonic states, relations of 54-57 



Leaf-cutting bees, form and habits of 196-197 



nests of, figure showing 197 



Lepus darwinii, a fertile hybrid 116 



Life, chemical theory of origin of 142 



continuity of 255-256 



definition of 4-6 



early forms and attributes of 127-128, 144-145, 270-272 



sources of 3-4 



tree of, illustration symbolizing Frontispiece 



unbroken continuity of 268 



Lilium martagon, figure showing 152 



Limulus, evolutionary place of 367 



Lineage of man, chapter on 270-292 



Links in the ascent to man, chapter on 255-269 



Linnaeus, Carolus, cited 114, 286 



Lion, brain of 317-318 



London basin, diagrammatic section across 106 



[382] 



