TELEGONY AND KEVERSION. 



151 



favorable light, difficult to see and almost impossible to 

 photograph. When a week old Mr. Edwin Alexander* 

 was kind enough to fill in the more important stripes in . 

 an outline sketch, a photograph of which is reproduced 

 in Fig. 43. I carefully compared the sketch with the 

 foal, and had .no diSicnlty in making out all the stripes 

 shown in the figure. While some of the stripes were 

 quite distinct to the eyes of even unskilled observers, 

 others were most subtle and only visible in certain lights. 



Fig. ii. 



Mulatto's Secoucl Foal. 



Fig. 44 has been reproduced from a photograph taken 

 when the foal was ten days old. 



In the zebra the hairs of the dark stripes and bands 

 are pigmented from root to tip. In Eomulus the dark 

 hairs are as a rule only pigmented to within about half an 

 inch of their roots, whereas in Mulatto's second foal there 



* To Mr. Alexander, jun. (already noted for his accurate and beautiful 

 drawings of animals), I am greatly indebted for the sketch (Fig. 43) of 

 Mulatto's second foal. 



