272 LOUIS PASTEUR. 



basement of his laboratory in the Eue d'Ulm, a whole 

 population of animals under experiment. Isolated in 

 round cages which impart some sense of security, are 

 the rabid dogs ; some attacked with furious madness, 

 biting their bars, devouring hay, uttering doleful 

 howls which those who have once heard can never 

 forget; others carrying the germ of this terrible 

 disease, still fawning with a humble look of tenderness, 

 as if imploring attention. Hens and chickens pass 

 their heads through the wooden bars of their coops. 

 From time to time a cock from the bottom of his den 

 crows ' a gloomy dawn.' Eabbits eat peaceably, w r hile 

 little families of guinea-pigs cluster together, and at 

 the least alarm utter a frightened cry. All these 

 animals are destined to be shortly inoculated. Each 

 morning a round of inspection is made in this little 

 hospital of condemned animals. The dead are taken 

 out, carried to one of the upper rooms, and placed on 

 the dissecting-boards. 



It is also to such boards that living animals are 

 fastened when it is necessary to experiment upon 

 them. Certainly when one sees a dog lying with a 

 forlorn look, its feet tied, its body trembling from 

 fright, on the point of undergoing, though in full 

 health, a bloody operation, one cannot suppress the 

 f< dings of pity. But a single visit to a physiological 

 laboratory suffices to reveal vivisection in its only 



