322 



SpeciHc IiiHamiiiotiojis. 



they may often be present in large numbers in the softened areas 

 and the pus from this may sometimes have an ahnost sand-Hke, gritty 

 consistence. Under the microscope the fungi may be discerned in 



Fig. 83. 

 Head of cow with actinomycosis of Jaw. (After Moiissu.) 



unstained preparations as strongly refractive, gray or shining-yellow 

 clumps of club-shaped filaments arranged in the form of a rosette 

 (fungus glands) : in stained sections the filamentous, intricately 



Fig. 84. 

 Actinomycosis of tbe nasal mucous membi-ane of cow. 



branched mycelium forming the matrix may be seen, and the 

 clump, with its budding elements swollen into club shape and 

 growing out from the periphery in radiating fashion.* The 



* For fuller description cf. Kitt, Bakterienkunde f. Tierarste, IV Aufl., Wien. 

 M. Perles Verl. 1903. 



