CHAPTER XXV.

LAWS OF VARIATION, _continued_--CORRELATED VARIABILITY.

EXPLANATION OF TERM--CORRELATION AS CONNECTED WITH

DEVELOPMENT--MODIFICATIONS CORRELATED WITH THE INCREASED OR DECREASED SIZE

OF PARTS--CORRELATED VARIATION OF HOMOLOGOUS PARTS--FEATHERED FEET IN BIRDS

ASSUMING THE STRUCTURE OF THE WINGS--CORRELATION BETWEEN THE HEAD AND THE

EXTREMITIES--BETWEEN THE SKIN AND DERMAL APPENDAGES--BETWEEN THE ORGANS OF

SIGHT AND HEARING--CORRELATED MODIFICATIONS IN THE ORGANS OF

PLANTS--CORRELATED MONSTROSITIES--CORRELATION BETWEEN THE SKULL AND

EARS--SKULL AND CREST OF FEATHERS--SKULL AND HORNS--CORRELATION OF GROWTH

COMPLICATED BY THE ACCUMULATED EFFECTS OF NATURAL SELECTION--COLOUR AS

CORRELATED WITH CONSTITUTIONAL PECULIARITIES ... Page 319

The Variation of Animals and Plants Under Domestication, Volume II (of 2) · 第 14 / 28 章