CHAPTER II
FEEDING, BREEDING, AND DEVELOPMENT OF THE YOUNG
Methods of keeping and caring for dancers—Cages, nest-boxes, and materials for nest—Cleansing cages—Food supply and feeding—Importance of cleanliness, warmth, and pure food—Relations of males and females, fighting—The young, number in a litter—Care of young—Course of development—Comparison of young of dancer with young of common mouse— Diary account of the course of development of a typical litter of dancers.