0/ WORMS and BOTS. 151 



coat, or thin membrane of the ftomach-, 

 fo that when the animals come to form 

 and life, they burft through this inner 

 coat with their breech and tail (Irait out- 

 wards, and their trunks fo fixed into the 

 mufcular, or llefhy coat of the ftomach, 

 that it fometimes requires a good pull to 

 difengage them ; from the blood of this 

 laft coat they draw their nourifhment, 

 which they fuck like fo many leeches, 

 every one ulcerating and purfmg up the 

 part, where it fixes like a honey-comb:^ 

 and they often make fuch quick havock, 

 as to deftroy the horfe. 



The fymptoms of worms are various, The flgns 

 The bots that many horfes are troubled ofworms. 

 with in the besinnino; of the fummer, are 

 always feen flicking on the flrait gut, and 

 are often thrufl: out with the dung, with 

 a yellowifh coloured matter like melted 

 fulphur •, they are no ways dangerous 

 there, but are apt to make a horfe reft- 

 lefs and uneafy, and rub his breech againft 

 the polls. The feafon of their coming 

 is ufually in the months of May and June, 

 after which they are feldom to be ieen, 

 and rarely continue in any one horfe 

 above a fortnio-ht or three weeks. Thofc 

 that take their lodgment in the flomach, 

 are extremely dangerous, by caufing con- 



L 4 vulfionsj 



