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 DIFFERENCES
BETWEEN THE SEVERAL BREEDS--EGGS--CHICKENS--SECONDARY SEXUAL CHARACTERS--
WING-AND TAIL-FEATHERS, VOICE, DISPOSITION, ETC.--OSTEOLOGICAL DIFFERENCES
IN THE SKULL, VERTEBRAE, ETC.--EFFECTS OF USE AND DISUSE ON CERTAIN PARTS--
CORRELATION OF GROWTH.