Fig. 120.— Infectious Pleuko-pneumonia of Cattle, x 50. 

 a,a,a. Spaces in deep layer of pleura and interlobular septa iilled with fibrinous 

 lymph; h, deep layer of pleura running down to an interlobular septum ; c,c, 

 air-vesicles filled with fibrinous lymph ; d, blood-vessels of alveolar walls, 

 much congested ; e, large congested blood-vessels ; /,/, interlobular septa 

 infiltrated with fibrinous lymph ;i a, blood-vessel in interlobular septum 

 (Logwood, Eosin and Farrant's solution).— Hamilton. 



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