Robert Mearns Yerkes
Robert Mearns Yerkes · 英语
Robert Mearns Yerkes · 英语
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原文 (英语)
CHAPTER II FEEDING, BREEDING, AND DEVELOPMENT OF THE YOUNG In this chapter I shall report, for the benefit of those who may wish to know how to take care of dancing mice, my experience in keeping and breeding the animals, and my observations concerning the development of the young. It is commonly stated that the dancer is extremely delicate, subject to diseases to an unusual degree and difficult to breed. I have not found this to be true. At first I failed to get them to breed, but t
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