274 THE INDIAN JOURNAL OF VETERINARY SCIENCE AND ANIMAL HUSBANDRY [VI, III

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                              Fig. 5. (From Whetham—paper in preparation.)

Variability Curves of the Colour of Butter-fat in different Breeds of Cattle.—London
Dairy Show data (1923-32). Range of colour measured on a butter-fat colour scale.
1 = white, 10=dark yellow. The vertical lines show the mean values for the different
breeds.