DOMESTIC PIGEONS.
ENUMERATION AND DESCRIPTION OF THE SEVERAL BREEDS--INDIVIDUAL VARIABILITY--
VARIATIONS OF A REMARKABLE NATURE--OSTEOLOGICAL CHARACTERS: SKULL, LOWER
JAW, NUMBER OF VERTEBRAE--CORRELATION OF GROWTH: TONGUE WITH BEAK; EYELIDS
AND NOSTRILS WITH WATTLED SKIN--NUMBER OF WING-FEATHERS AND LENGTH OF WING-
-COLOUR AND DOWN--WEBBED AND FEATHERED FEET--ON THE EFFECTS OF DISUSE--
LENGTH OF FEET IN CORRELATION WITH LENGTH OF BEAK--LENGTH OF STERNUM,
SCAPULA, AND FURCULUM--LENGTH OF WINGS--SUMMARY ON THE POINTS OF DIFFERENCE
IN THE SEVERAL BREEDS.