DIGESTIBILITY OF SOME ANIMAL FATS. 



acid and a relatively large amount of free fatty acids was eaten daily 

 and 97.51 per cent digested. So far as can be ascertained, no experi- 

 ments with human subjects have been recorded. In the work here 

 reported a series of seven digestion experiments has been completed, 

 the essential data of which are given below. 



Data of digestion experiments with goose fat in a simple mixed diet. 





Weight. 



Water. 



Pro- 

 tein. 



Fat. 



Carbo- 

 hydrates. 



Ash. 



iixperiment No. 209, subject 0. E. S.: 



Blancmange contaitiiag goose fat 



Grams. 

 1,993.0 



162.0 

 1,735.0 



206.0 



Grams. 



940.7 



14.6 



1,507.7 



Grams. 

 36.7 

 17.2 

 13.9 



Grams. 



212.2 



2.4 



3.5 



Grams. 

 789.2 

 125. 2 

 201.2 

 206.0 



Grams. 

 14.2 



Wheat biscuit "..... 



2.6 



Fruit . . . 



8.7 



Sugar 















Total food consumed 



4,096.0 

 71.0 .. 



2,463.0 



67.8 

 18.6 

 49.2 



218.1 



9.7 



208.4 



1,321.6 



36.9 



1.284.7 



25.5 



Feces 



.'..8 



Amount utilized 







19.7 











Per cent utilized 







72.6 



95.6 



97.2 



77.3 











Experiment No. 2P2, subject F. F. B. : 



Blancmange containing goose fat 



2, 424. 

 602.0 



1,178.0 

 173.0 



1,100.3 



54.2 



1,023.7 



44.6 



63.8 



9.4 



312.9 

 9.0 

 2.4 



947.8 

 465.4 

 136.6 

 17.3.0 



18.4 



Wheat biscuit 



9.6 



Fruit 



5.9 



Sugar 















Total food consumed 



4,377.0 

 153.0 



2,178.2 



117.8 

 39.7 



78.1 



324.3 

 21.5 



302.8 



1, 722. 8 



80.4 



1,642.4 



33.9 



Feces 



11.4 



Amount utilized 





22.5 











Per o.CT\t utilized , , , 



1 



66.3 



93.4 



95. 3 



66.4 









Experiment No. 264, subject R. L. S.: 



Blancmange containinsr goose fat 



2,059.0 



321.0 



897.0 



72.0 



934.6 

 28.9 

 779.5 



37.9 



34.0 



7.2 



265.8 



4.8 

 1.8 



805. 1 



248.1 



104.0 



72.0 



15.6 



Wheat biscuit 



5.2 



Fruit 



4.5 



Sugar 















Total food consumed 



3,349.0 

 70.0 



1,743.0 



79.1 

 22.6 

 56.5 



272.4 

 9.6 



262.8 



1,229.2 



31.9 



1,197.3 



25.3 



Feces 



5.9 



Amount utilized 





19.4 











Per cent utilized 







71.4 



96.5 



97.4 



76.7 











Experiment No. 265, subject 0. E. S.: 



Blancmange containing goose fat 



2,451.0 

 370.0 



1,219.0 

 127.0 



1,112.5 



33.3 



1,059.3 



45.1 

 39.2 

 9.8 



316.4 

 5.6 

 2.4 



958.4 

 286.0 

 141.4 

 127.0 



18.6 



Wheat biscuit 



5.9 



Fruit 



6.1 



Sugar 















' Total food consumed 



4, 167. 

 108.0 



2,205.1 



94.1 

 30.9 

 63.2 



324.4 



17.5 



306.9 



1,512.8 



51.8 



1,461.0 



30.6 



Feces 



7.8 



Amount, nt.ili7.ed 





22.8 











Per cent utilized 





67.2 



94.6 



96.6 



74.5 









Experimejit No. 282, subject H. F. B.: 



Bla.rcmn.nge f>nntainiTig {fonsfi fat 



2,357.0 

 501.0 



1,406.0 

 165.0 



1,118.4 



45.1 



1,221.8 



47.1 

 53.1 

 11.3 



356.6 

 7.5 

 2.8 



822. 4 

 387.3 

 163.1 

 165.0 



12.5 



Wheat biscuit .".7 



8.0 



Fruit 



7.0 



Sugar 















Total food consumed 



4,429.0 

 129.0 



2,385.3 



111.5 

 34.3 



77.2 



366.9 



16.1 



350.8 



1,537.8 



68.7 



1,469.1 



27.5 



Feces 



9.9 







17.6 











1 



G9.2 



95.6 



95.5 



64.0 





! 





Blancmange containing goose fat 



1,469.0 

 357.0 

 452.0 

 65.0 



697.0 

 32.1 

 392.8 



29.4 



37.8 



3.6 



222.3 

 5.4 

 0.9 



512.5 



276.0 



52.4 



65.0 



7.8 



Wheat biscuit 



5.7 



Fruit 



2.3 



Sugar 

















2,343.0 

 &3.0 



1,121.9 



70.8 

 26.8 

 44.0 



228.6 



17.7 



210.9 



905. 9 

 29.7 



876.2 



15.8 



Feces 



8.8 



Amount utilized 



7.0 









Per cent u tilized 





62.1 



92.3 



96.7 



44.3 









