ON THE NATURE OF INTESTINAL SECRETION. 61 
On examination, 
Middle loop contained 7 c. c. of fluid, which after filtration = 2 
Upper ,, 
Lower ,, } emp ty. 
Experiment 16.—Saturated solution of sodium acetate. 2} ¢. c. were in- 
jected into the middle loop. Weight of cat 63 lbs. 
On examination, 
Middle loop, 10 c. c. 
Wuper’ =, 9c. ¢c. 
Lower ,, empty. 
Mucous membrane :— 
Middle loop congested, covered with soft mucus. 
Upper ,, pale, covered with soft mucus. 
Lower ,, covered with bile-stained matter. 
Ss 
io) 
Experiment 17.—Saturated solution of sodium acetate. 5c. c. injected into 
middle loop. : 
On examination, 
Middle loop contained 10 c. c. of fluid, after filtering = 5 c. c. 
Upper ,, t 
Lower ',, | emp ys 
Mucous membrane :— 
Middle loop soft, surface exceedingly so. 
Upper, 
ahs } natural. 
Experiment 18.—Saturated solution of sodium bicarbonate. - 5 ¢. ¢. of the 
solution injected into the middle loop. 
On examination, 
Middle loop contained a tapeworm and some fluid. 
The worm, mucus, and fluid were = 15 ¢.¢ 
After filtration, the fluid only .. = 65.¢.¢ 
Upper ,, contained a worm and fluid...... = 8 cae 
ME ReCE MORIN Mes hs Sa eae ee = Garele 
Lower ,, empty. 
Mucous membrane :— 
Middle loop much congested. 
Upper ,, much thickened, not congested. 
Lower ,, natural. 
Experiment 19,—Saturated solution of sodium chloride. 5 ¢.c. of the solu- 
tion were injected into the middle loop. 
On examination four hours after, 
Middle (injected) loop contained 10-25 ec. ec. fluid. 
Of this about one third appeared to be thick mucus, 
Upper loop 
sae } completely empty. 
3 
Mucous membrane :— 
Middle loop much thickened and congested. 
yo : \ natural. 
Experiment 20,—Saturated solution of sodiam phosphate. 22 ¢. c. were 
injected into the middle loop. The omentum stuck in the wound in the abdo- 
