GLANDERS AND FARCY. 225 



may often see them bite, rub with the nose, and scratch with the 

 hind foot, alternately, the other leg. 



If we take all the fore2;oino; circumstances into consideration, 

 and recollect that in M. St. Bel's experiment a month elapsed 

 before the first horse became glandered, and that, from nu- 

 merous experiments and observations made with regard to acci- 

 dental and intentional inoculation with glanderous matter, some 

 days will elapse before any ulcer or chancre is produced, a week 

 or two before farcy buds or corded lymphatics appear, and, 

 pi'obably, a month or two before the running from the nostril 

 comes on (except when an ass is the subject of experiment), 

 ' — if we reflect upon all these circumstances, there will be no 

 difficulty, I think, in admitting the following positions, or 

 rather inferences or conclusions, with respect to glanders, viz. 

 that glanders is a contagious disorder, which is communicated 

 by inoculation, and by swallowing the matter, and not by effluvia 

 proceeding from a glandered horse, or a stable in which a 

 glandered horse is, or has been kept ; secondly, that the degree 

 in which the glanders takes place depends on two circumstances, 

 chiefly on the quantity of matter applied, and next, upon the 

 state or health of the animal that receives it. This is more 

 strictly the case with regard to glanderous inoculation, it having 

 been proved that by introducing a considerable quantity of mat- 

 tei*, the horse is speedily destroyed. The same rule will pro- 

 bably be found to hold good, in a certain degree, when glander- 

 ous matter is swallowed ; but the horse's stomach possesses a 

 wondei-ful power of resisting the impression of poisonous matter, 

 as has been proved by the large doses of arsenic, corrosive 

 sublimate, sugar of lead, &c., that have at difierent times been 

 given, by way of experiment, to glandered horses. A horse, 

 therefore, may possibly swallow one large dose of glanderous 

 matter without being injured by it, while a repetition of smaller 

 doses will readily produce the disorder. M. St. Bel gave it 

 daily for a week ; and the same method has been pursued in 

 other experiments. 



I am inclined to believe that the disorder is more readily caught 

 by eating the glanderous matter mixed with oats or hay, than by 

 drinking it with water, as in the former case it is so intimately 

 mixed with the food by mastication. M. St. Bel placed two 

 sound horses by a glandered horse, drinking out of the same 

 pail, and eating out of the same manger. One of the sound 

 horses was six years old, and just taken from grass ; the other 

 nine years old, and taken from regular work. The first showed 

 evident signs of glanders at the expiration of thirty-four days ; 

 it fully declared itself in the second at the end of six weeks. 

 Two horses in good health, the one seven, the other eleven, 

 years old, both just taken from work, were placed by a horse 



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