7111 CONTENTS. 



CHAPTER VII. 



FOWLS. 



BRIEF DESCRIPTIONS OF THE CHIEF BREEDS — ARGUMENTS IN FAVOUR 

 OF THEIR DESCENT FROM SEVERAL SPECIES — ARGUMENTS IN FAVOUR 

 OF ALL THE BREEDS HAVING DESCENDED FROM GALLUS BANKIVA 

 — REVERSION TO THE PARENT-STOCK IN COLOUR — ANALOGOUS 

 VARIATIONS — ANCIENT HISTORY OF THE FOWL — EXTERNAL DIF- 

 FERENCES BETWEEN THE SEVERAL BREEDS EGGS — CHICKENS — 



SECONDARY SEXUAL CHARACTERS — WING- AND TAIL- FEATHERS, 

 VOICE, DISPOSITION, ETC. — OSTEOLOGICAL DIFFERENCES IN THE 

 SKULL, VERTEBRiE, ETC. — EFFECTS OF USE AND DISUSE ON CERTAIN 



parts — correlation of growth Pages 236-289 



CHAPTER VIII. 



DUCK — GOOSE — PEACOCK — TURKEY — GUINEA-FOWL — 

 CANARY-BIRD — GOLD-FISH — HIVE-BEES — SILK-MOTHS. 



DUCKS, SEVERAL BREEDS OF — PROGRESS OF DOMESTICATION — ORIGIN 

 OF FROM THE COMMON WILD-DUCK — DIFFERENCES IN THE DIF- 

 FERENT BREEDS — OSTEOLOGICAL DIFFERENCES — EFFECTS OF USE 

 AND DISUSE ON THE LIMB-BONES. 



GOOSE, ANCIENTLY DOMESTICATED — LITTLE VARIATION OF SEBAS- 



TOPOL BREED. 



PEACOCK, ORIGIN OF BLACK-SHOULDERED BREED. 



TURKEY, BREEDS OF — CROSSED WITH THE UNITED STATES SPECIES 

 — EFFECTS OF CLIMATE ON. 



GUINEA-FOWL, CANARY-BIRD, GOLD-FISH, HIVE-BEE. 

 SILK-MOTHS, species and breeds of — anciently domesticated 



CARE IN THEIR SELECTION — DIFFERENCES IN THE DIFFERENT 



RACES — IN THE EGG, CATERPILLAR, AND COCOON STATES — INHERIT- 

 ANCE OF CHARACTERS IMPERFECT WINGS —LOST INSTINCTS — CORRE- 

 LATED CHARACTERS 2y0-321 



