= 54 



MICRO-ORGANISMS AND DISEASE [chap. 



that what is spoken of as '' Egyptian ophthahnia " is really 

 several kinds of infectious ophthalmia3 ; one is an acute 

 blennorrhcea or purulent ophthalmia, and does not differ 

 from that known to occur in consequence of infection with 

 gonorrhceal exudation. A second, the true Egyptian oph- 

 thalmia, is however of an altogether different etiological 



Fjc. 95,— Film Specimex of Egyptian Ophthalmia, Catarrhal Conjunc- 

 tivitis (Koch), showing many Pus-cells containing the specific 

 Bacilli in their Protoplasm. 



character, though in its symptoms and pathology it is 

 similar to, but not identical with, the blennorrhosa. This 

 second one, the '' lafarr/ial conjunctivitis" is associated, 

 not with the gonococcus, but with a minute fine bacillus, 

 very similar in moriihological respects to the bacillus of 

 Koch's mouse septicaemia. In this opjhthalmia the bacihus 



