The pre-natal development of the coat of the New Zealand Romney lamb

Abstract

V. Summary For the purpose of describing the development of the Romney lambs’ coats it was found convenient to divide the skin into six areas, A, B, C, D, E and F, each being formed by the grouping of all regions that develop at the same time and rate. These areas are determined by the following methods: 1. All regions where X and Y follicles begin growth at the same time belong to the same area. 2. All regions attaining the trio stage of development at the same time belong to the same area.