568 



GENETICS IN RELATION TO AGRICULTURE 



bled the hybrid foals. They were chestnut in color without any sug- 

 gestion of striping, and in liveliness of temperament or vigor of develop- 

 ment neither of them resembled in the least the hybrid progeny. 



FIG. 222. Jerry, a male Grevy zebra, Equus Grevii, used in U. S. government breeding 

 investigations. (After Rommel.) 



FIG. 223. A registered Morgan mare, Baby Gates, used in U. S. government breeding 

 investigations. (After Rommel.) 



A subsequent experiment is of interest because of the closeness with 

 which it agrees with particulars of the Lord Morton case. Ewart bred 



