•28() NATURE OF GLANDERS. 



Turning from these accounts to the observations of Delafond — 

 that, " in an immense majority of cases," glanders originates " in 

 the lymphatic system/' and that, in nature, it '' consists of an 

 alteration of the lymph as well as of the vessels conveying it,*" — 

 we find the ground well prepared for laying the foundation of the 

 pathology of glanders ; and that Leblanc has achieved a great deal 

 towards erecting a plausible and natural superstructure thereon, 

 will, we think, appear manifest from the following extracts from 

 his pamphlet: — 



LEBLANC regards Glanders, whether it be chronic or acute, 

 pustulous or gangrenous, and FARCY, be it chronic or acute, as but 

 different forms of one and the same disease — but aggravations or 

 ameliorations of one common or general contagious affection, hav- 

 ing its apparent seat within the nasal fossse or in the lymphatic 

 system, and consisting in lesions as follow : — • 



In a general alteration of the fluids of the body, in 

 particular of the lyr)iphatic fluid. This turns yellow and becomes 

 coagulated within the canals of the lymphatics and the cavities 

 of their glands, the tunics of the vessels thickening and turning 

 opaque, exhibiting red points upon their inner surface, and ad- 

 hering in places to the coagula within, and in other places grow- 

 ing more or less softened, without, as yet, shewing ulceration. 

 In time, all the thickened parts of the vessel partake of this 

 softening, spreading from a single point upon its circumference, 

 the coagulum within softening likewise, and the cellular tissue 

 corresponding to the point of ulceration becoming tumefied, then 

 hardening, and lastly softening. And now a little tumour exists, 

 having its seat, in part, in the lymphatic vessel, in part in the cel- 

 lular tissue, observably close upon the situation of the lymphatic 

 valves, which accounts for the accumulation, the lymphatic fluid in 

 its incrassated or coagulated condition not being able to pass the 

 valvest. This explains the knotted aspect of the corded swellings 

 in farcy. When the little tumours oi farcy-huds have the lymphatic 

 vessels for their seat, they are not tardy in ulcerating their way to 

 the surface through the skin. When deep seated, they grow large 



* Turn back to page 272. 



t Coleman regarded the valves as insusceptible of the action of farcy. 



