X CONTENTS. 



FEMALE— DEVELOPMENT — THE FUNCTIONAL INDEPENDENCE OF THE 

 UNITS OF THE BODY — VARIABILITY — INHERITANCE — REVERSION. 



SECOND PART: STATEMENT OF THE HYPOTHESIS HOW FAR THE 



NECESSARY ASSUMPTIONS ARE IMPROBABLE — EXPLANATION BY AID 

 OF THE HYPOTHESIS OF THE SEVERAL CLASSES OF FACTS SPECI- 

 FIED IN THE FIRST PART CONCLUSION . . . . Pa^CS 349-399 



CHAPTER XXVIII. 



CONCLUDING REMARKS. 



DOMESTICATION — NATURE AND CAUSES OF VARIABILITY — SELECTION — 



DIVERGENCE AND DISTINCTNESS OF CHARACTER EXTINCTION OF 



RACES — CIRCUMSTANCES FAVOURABLE TO SELECTION BY MAN — 

 ANTIQUITY OF CERTAIN RACES — THE QUESTION WHETHER EACH 

 ARTICULAR VARIATION HAS BEEN SPECIALLY PREORDAINED. 



400-423 



INDEX 429 



ERRATA TO VOL. II. 



Page 14, four lines from bottom : for " A. moschata, Linn.," read " Cairina moschata." 

 „ 134, last line.; for " apera," read " aperea." 



