Breeding Morgan Horses. 



19 



Table 1 gives a comparison of the total number of purebreds of 

 each of the three principal breeds which competed in the endurance 

 rides of 1919, 1920, 1921, and 1922: 



Table 1. — Number of purebred horses of three principal breeds ivhich started and finished 

 in the official endurance rides, 1919 to 1922, inclusive. 





1919 



1920 



1921 



1922 



Total. 



Breed. 



o 

 t-i 



m 



d 



o 

 A 



Jj 



•6 



1 



V 

 u 



03 



+= 



XJ1 



03 



CO 



d 

 o 



■s 



I 



u 



C3 

 02 



d 

 



2 



3 



CO 





4 



4 

 6 



4 



2 

 2 



i 



1 

 1 



8 



1 



9 



i 







2 



11 



13 

 16 



6 

 6 

 5 





Arabs 







3 







1 i 1 



2 -4 



46. 15 





31. 2.5 







Total 



9 



5 



14 



o 



10 



4' 7! 



40 



17 



42. 50 













Fig. 13.— Gladstone 6922. The Morgan gelding placed second in the 1922 endurance ride. 

 FIVE LUMBAR VERTEBRA. 



Post-mortem examinations of Morgan horses have revealed only 

 five lumbar vertebrae, whereas most horses have six. General Gates 

 666. Donald 5224, Dude 4673, and a weanling colt sired by Trouba- 

 dour of Willowmoor 6459 out of Lady Lyndon 03342 possessed tins 

 characteristic. Other things being equal, a back with 23 vertebrae 

 should carry weight more easily than one with 24, and it is probable 

 that this explains in part why Castor and Gladstone were able to 



