of Fat in the Alimentary Canal. 



261 



traversed the pylorus. The small and large intestines together con- 

 tained no less than 1*721 grams of fat, and therefore 1-084 grams 

 of the fat had been excreted from the intestines or liver during the 

 period of seven hours. This appears an enormous quantity when we 

 compare it with the small amount in the case of Table V, in which 

 only 0*201 gram was excreted in six hours. 



The stomach contained 2*708 grams of neutral fat remaining from 

 the 6*877 grams of the neutral fat given in the milk. Thus the per- 

 centage of neutral fat found was 41*32, while the neutral fat in the 

 milk given was no less than 95*63 ; hence 58*41 per cent, of the 

 neutral fat given had been split up into fat acids during* seven hours 

 in the stomach. 



The quantity of free fat acids was 3*828 grams, and the soaps had 

 increased to 0*018 gram, this constituting a percentage of 0*27. 



The small intestine gave as the percentage of neutral fat 43*64, as 

 compared with 41*42 present in the stomach. 



This is a very different thing to what is found in the case of the 

 normal dogs, where the fat acids in the small intestine were greatly 

 increased and the neutral fat much diminished, for here the free fat 

 acids were only 52*09 per cent., i.e., very slightly above the amount 

 of neutral fat present in the small intestine, and less than the fat 

 acids present in the stomach. The small intestine also contained no 

 less than 4*27 per cent, of fat acids in the form of soap. 



In the case of the large intestine the total quantity of fat present 

 was 0*644 ; of this, 0*175 still remained as neutral fat, the percentage 

 being 27*17, while 55*75 per cent, was present in the form of free fat 

 acids, and 17*08 per cent, of the fat acids had combined to form soaps. 



Table VII.— Weight, 6*70 kilos. Total Extirpation of the Pancreas. 

 Milk given forty-eight hours after Removal of the Griancl, and 

 killed by Chloroform after seven hours' digestion. 





Total ether 

 extract. 



Neutral fat. 



Free fat 

 acids. 



Fat acids 

 soap. 



as 





Total. 



p.c. 



Total. 



P- 



c. 



Total. 



P- 



c. 



Total. 



P 



. c. 





12 *027 



100 



11 *533 



95 



•90 







•455 



3 



78 



0-039 







32 



Found in — 





























9*358 



100 



9-177 



98 



•07 







•159 





70 



0-022 







23 



Small intestine. 



0*464 



100 



0*075 



16 



•17 







•361 



77 



79 



0-028 



6 



•04 



Large intestine . 



1*672 



100 



0-663 



39 



•95 







•990 



59 



21 



0-014 







84 



In Table VII the dog received a larger quantity of fat than 

 usual, and whether in consequence of this or through some other 



