STIMULANTS, NARCOTICS, AND POISONS 73 



started for the ball and of the one that succeeded in bring- 

 ing it back. When he had averaged a long series of experi- 

 ments, Dr. Hodge found that " Bum " and " Tipsy " secured 

 the ball only about half as often as did " Nig " and " Topsy " ; 

 the two alcoholic dogs also gave evidence of much greater 

 fatigue during the trials. 



" A very striking result of the entire research," says Dr. 

 Hodge, " and one entirely unexpected on account of the 

 small doses of alcohol given, has been the extreme timidity 



H'CMlV.CMil If 01 MA I PA ft 



t mij 



" oobp /*"; OOOO.-V 

 eecctt* 



C C I 1 t 



i + . 3 It 



* 



Fia. 20. Diagram showing Offspring of the Two Pairs of Dogs. 



of the alcoholic dogs. . . . While able to hold their own 

 with the other dogs in the kennel, the least thing out of the 

 ordinary caused practically all the alcoholic dogs to exhibit 

 fear, while the others evinced only curiosity or interest. 

 Whistles and bells, in the distance, never ceased to throw 

 them into a panic in which they howled and yelped, while 

 the normal dogs simply barked. This holds true of all the 

 dogs that had alcohol in any amount." 



Another most striking result of the use of alcohol was 



