1907.] 



COLOUR-STRIPING ON THE FACE OF GIRAFFES. 



117 



the largest, few in number ; medium- sized, more numerous ; and 

 a smallest size, the most abundant (text-fig. 39). The two larger 

 sizes of hair were remarkable for appearing almost colourless in 

 their lower (proximal) moiety and very dark in the upper (distal) 



Text-fig. 39. 



Section of the skin of the frontal region of the fcetal Giraffe, showing 

 three sizes of hairs. Greatly magnified. 



moiety. The smallest hairs were dark-coloured throughout. 

 When a piece of the hairy colour-banded region was examined 

 with a strong lens, the tips of the hairs were seen to converge from 

 the two sides of the shallow furrows or Avrinkles as shown in the 



