Picture - Cosmic Polymath

XX CONTENTS
§ 448. Points wherein the Wings of Pterodactyls and Bats Agree and Disagree—Important Differences to
be Noted ... . . 1294
§ 449. The Wings of Pterodactyls are produced not by Dwarfing or Obhterating original Typical Parts, but by
. the Excessive Growth and Increase in Size of the Parts more especially connected with Flight
a Common Type . .... . . . . 1295
§ 450. The Wings of Pterodactyls are Triangular in Shape, Elastic, carefully-graduated Organs, formed on
PAGE
.1295
§ 451. The Wings of Pterodactyls, Bats, and Insects supply Good Models for Winged Flying-machines 1295
EXTINCT PLANTS AND ANIMALS—THEIR PECULIARITIES—LARGE SIZE-
RELATIONS TO THE YOUNG EARTH, &c.
§ 452. Extinct Plants—their unusual Appearance, &c., as compared with Modern Plants 1299
§ 45.3. Gigantic Extinct Reptiles and Birds .
§ 454. Gigantic Extinct Mammals .
§ 455. Antiquity of Man .
§ 45(j. The Human Race in Greek and Roman Times .
. . 1304
THE ORIGIN AND CAREER OF MAN
§ 457. Antiquity of Man from the Geological Standpoint .
1322
. 1331
APPENDICES
1342
. 1350
APPENDIX I.—HISTORY OF ANATOMICAL PREPARATION-MAKING AS DE-
VISED AND PRACTISED BY THE AUTHOR AT THE UNIVERSITY OF
EDINBURGH, AND AT THE HUNTERIAN MUSEUM OF THE ROYAL
COLLEGE OF SURGEONS OF ENGLAND (LONDON) ... . i363
(Reprinted from the Lancet of November 23rd and 30th, 1901.)
APPENDIX II.—AERIAL LOCOMOTION. PETTIGREW versus MAREY. By PRO-
FESSOR COUGHTRIE .
. . .
(Reprinted from the Quarterly Journal of Science, April 1875.)
. 13g5
APPENDIX III.—REFUTATION OF THE CLAIM PUT FORWARD BY THE
ADMIRERS OF LEONARDO DA VINCI TO BE REGARDED AS THE DIS-
COVERER OF THE TRUE PRINCIPLES OF FLIGHT ... 1395
(" Spiral Formations in Relation to Walking, Swimming, and Flying." Lancet, January 2nd 1904
INDEX .1,01
' '' Oi] the I\li'i4iaiiioal Appliances by wliicli Flight is attained in the Animal Kingdom" (7Vrt)is. Zi/tH. ,SW'. vol xxvi ) " n f v, ni
of Wings '•
'
'''
(Tmnx. Roy
^" ^^'^
Hue. Edin., vol. xxvi.).
J^hysiology
) ^