92 THE CAT 



the presence of parasites lodged in the lung- 

 tissue and an irritation producing an effusion 

 and filling the air spaces. ( Vide Parasites, Fig- 

 ure 30, p. 125.) This form of broncho-pneumo- 

 nia at the outset resembles in its symptoms an 

 ordinary broncho-pneumonia, but is to be 

 diagnosed later, either by the detection of the 

 parasite in the discharge which the animal 

 coughs up, or by the fact that the broncho- 

 pneumonia does not run its regular course, but 

 gets better in a few days, or gets decidedly 

 worse, with more lung-tissue filling up; and 

 that it assumes a chronic form, with the local 

 symptoms of sibilant rales to be heard, un- 

 changed in size and location, accompanied by 

 the absence of the severe constitutional symp- 

 toms. 



One finds in certain books a description of 

 consumption of the cat. If by consumption 

 the authors mean tuberculosis (which the word 

 technically does), they are absolutely in error ; 

 for tuberculosis is almost an unknown disease 

 in the cat, and even by inoculation can only be 

 produced in animals which have been rendered 

 lymphatic by a prolonged close confinement. 



