XVIIl] 



MOULD-FUNGI 



493 



looking not unlike cocci. The peripheral part is made up 

 of conical or cylindrical or club-shaped corpuscles of 

 different length and, thickness, deeply stained pink, closely 

 placed side by side, and all radiating by longer or shorter 

 thin, pink, filamentous stalks from the next, the blue or 

 "granular" zone; each of the "clubs'" possesses a faintly 

 stained homogeneous sheath. In human actinomycosis. 





Fig. T98. — From a siiTillnr preparation, more highly magnified. 



and also in actinomycosis of cattle, the central mass is not 

 seldom recognisable as a dense felt-work of fine branched 

 threads ; from the periphery of the mass longer threads 

 project, each or only some of which possess a terminal en- 

 largement ; in other cases the terminal club-shaped enlarge- 

 ment is the only distinct portion. 



Now, some observers consider the clubs as indicating an 

 involution or a degeneration phase of the threads, and. 



