696 



Dysentery 



to kittens they died in two weeks with the typical lesions of 

 dysentery. Musgrave and Clegg had less satisfactory re- 

 sults with cats, dogs, and other laboratory animals, but were 

 quite satisfied of the results secured with monkeys, which 

 took the disease and sometimes died. The lesions resembled, 



but were less severe than, those in man. Musgrave and Clegg 

 would not admit that there were non-pathogenic intestinal 

 amebas, but this was not in accord with the work of any other 

 investigators, and was strongly opposed by Craig,* who found 

 both varieties, and though he was never able to infect ani- 

 * "Journal of Infectious Diseases," v, 1908, p. 324. 



