BY DR. OSCAR KATZ. 645 



was a cousiderable quantity of normal-looking fseces, and a large 

 portion of the food given to the two inoculated rabbits on the evening 

 of August 28th. 



Result : 



The rabbit was still alive, September 6th, when it was removed from 

 its box. 



(b) August 29th, 9.30 a.m. 



A half-grown rabbit was placed in a hutch in which a rabbit, fed the 

 day before on cabbage-leaves with 2|ccm. of virulent broth -culture, 

 was found dead (from "chicken-cholera") at 7a.m., August 29th. 

 The hutch contained a small quantity of normal-looking faeces ; part 

 of the bottom was damp with urine. The portion of food left over 

 from feeding after the infected food had disappeared, was removed 

 from the hutch. 



Result : 



The rabbit was found dead at 7 a.m., September 3rd. P.M,, 

 Negative. 



(c) August 30th, 10.15 a.m. 



A half -grown rabbit was placed in a hutch, in which a rabbit fed, 

 August 28th, upon cabbage-leaves with 2^ ccm. of virulent broth- 

 culture, was found dead (from "chicken-cholera") at 9p.m., August 

 29th. In the hutch there was a considerable quantity of normal- 

 looking droppings ; part of the bottom was damp with urine. The 

 rabbit which occupied the hutch before, had eaten up all the infected 

 food given to it, August 28th ; but some of other (uninfected) food 

 given later on, was still in the hutch, and not touched when the fresh 

 rabbit was placed in it. 



Result : 



The rabbit was found dead at 7.15 a.m., September 6th. P.M., 

 Negative. 



(d) September 4th, 2.50 p.m. 



A rabbit, not quite full-grown, was placed in a hutch in which a rabbit, 

 fed the day before on cabbage-leaves with 1 ccm. of virulent broth- 

 culture, was found dead (from "chicken-cholera") at 2.40 p.m., 

 September 4th. With regard to amount and appearance of excrement 

 and food in the hutch, about the same state was noticed as in the 

 foregoing experiment. 



Result : 



The rabbit was found dead at 9.15 a.m., September 9th. P.M., 

 Negative. 

 35 



