274 INTUSSUSCEPTION. 



tery : it was much thickened, of a deep black colour, and 

 easily lacerated. 



" It is worthy of remark that this horse never lay upon 

 his back, did not roll, nor attempt to sit upon his haunches, 

 as is usual in cases of entanglement; the tongue and 

 membranes also retained their natural appearance until nearly 

 the last." 



A singular instance is reported as follows by the same ob- 

 server : 



" On the 16th November, 1829, I was called in to see a 

 brown gelding, belonging to Mr J , which was taken ill on 

 the previous day. I found the following symptoms present : 

 viz. pulse 78, and feeble respiration accelerated tongue 

 white, but not offensive conjunctiva of natural hue, and not 

 injected partial sweats horse restless, and very feeble the 

 introduction of the hand per anum occasioned great efforts 

 to force it back again: the animal died in about six 

 hours. 



" Examination. Stomach and small intestines healthy 

 villous coat of jejunum injected the whole of the colon be- 

 yond its collateral attachment to the cascum had turned on 

 its short axis, whereby the same had become strangulated, 

 and was one dark mass, an immense effusion of serum and 

 blood being deposited between the villous and muscular coats 

 the peritoneal and villous coats were quite dark the intes- 

 tine contained black-coloured faeces and fluid blood : no other 

 disease was present." 



Volvulus must necessarily be an incurable lesion. 



INTUSSUSCEPTION. 



This most remarkable lesion consists in the passage of one 

 portion of intestine into another. Both the small and large 

 intestines are subject to it, though most frequently the small 



