HYDROPHOBIA 



537 



and contained within the body and belonging to a group 

 of the Protozoa termed the Chlamydozoa. In the same 

 category he would place the trachoma bodies, the Mallory 

 bodies of scarlatina and the Councilman bodies of variola. 

 Noguchi believes that the Negri bodies or derivatives 

 from them can be cultivated in his medium used for the 

 Trep. pallidum (p. 497). 



Babes states that the virus is destroyed at a tempera- 

 ture of 60 C., but the medulla and other infective material 



FIG. 65. Smear from hippocampus major of rabid dog : 

 n, nucleus of nerve-cell; b. b, the Negri bodies (eosin 

 and methylene-blue). (After Williams and Lowden.) 



retain their virulence for months in glycerin. He has 

 described certain lesions present in the medulla in cases 

 of rabies, the so-called rabic tubercles. These consist of 

 an invasion of the peri-ganglionic spaces by an accumulation 

 of round-cells, with degeneration of the cells of the bulbar 

 nuclei. 



Van Gehuchten has described as pathognomonic of 

 rabies certain lesions in the sympathetic and cerebro- 

 spinal ganglia, especially those of the pneumo-gastric. 

 These ganglia consist normally of a supporting tissue 



