T26 THE COMMON COLICS OF THE HORSE 



ingesta, while the third is nearly empty. In this manner 

 the abrupt transition from the bulky and voluminous 

 form of the second portion to the small and comparatively 

 shrunken build of the third portion is accentuated. In 



Fig. 9. — Volvulus or Twist of the Pelvic Flexure of the 

 Large Colon, illustrating the Difference in Size 



BETWEEN THE SECOND AND ThIRD PORTIONS OF THE BoWEL. 



I, 2, and 3, The first, second, and third portions, respectively, of the 

 bowel. Note. — The fourth portion is hidden from sight. 



such a case as this it might be that either the accumu- 

 lated faecal matter in the end of the second portion, by 

 reason of cramp-like efforts on the part of the bowel to 

 pass it along, was responsible for the twist, or that the 



