524 



ANNUAL REPORT OP^ THE 



Off. Dor.'. 



composed of a su|)]iortini;' tissue lioldiiiii' in its nieslies the nerve cells, 

 each one of which is enclosed in a capsule, made up of a single 

 laver of endothelial cells. (Fig. 1.) The action of the rabic vii'us 



r 



< 





♦ ' 





Fig 1. Normal Ganglion. (Reproduced after Crocq, Journal de Xeurologle, Vol. V.. No. 13). 



seems to exercise its effect on these cells particularh', bringing 

 about an abundant multiplication of the cells forming this capsule, 

 leading finallv to the complete destruction of the normal ganglion 



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S;=5.?!S«S«^C^i' ' 



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Fig. 2. Ple.xifjrru Gin/lion of 1{ i")!)!!. d «aJ of rabies prjli-jd by siib-dural inoculation. Tljc cap- 

 sules are Hlled. or partially tilled by tiie new formed cells. 



cell and h-aving in its i)lace a collection of round cells. (Fig. 2.) 

 Ordinal! ly a considerable number of ganglion cells will be found 

 wliich have undergone only a slight change, but under certain condi- 



