



559 
A few of the results are given in the following : 
Per cent. digested’. 
Water. =. . Pere anes aha eee uh bi Bate ein: Myvi gs Men ic WM St ope 36.90 
EE me rats See te mers ony gene my ee 1). Wenaeeene 23.70 
TUBER eiinne: Seti nem an hn RAY beeen ects en Gh Ay 41.20 
RMEMESMANITIVE, NPE isee os SO be PL Loe reae tS SAARI 4: Bote 57.59 
MME sce gid ua its), 8c Ar) eee A ke Ne ys AMD STD ab 70.25 
iL Sa Eke lead ate tarar a cate Po apart MAD sore ne ee Ee ae eee. OF. 
Pepererne. pee Wg aN AER Negi ele 9 ap Seo ee ee 52.538 
aceon Hid (twice the pepsin)... <0. 62: w:.c. 66.90 
Corn meal was the substance digested in the above trials. 
We observe that the best result obtained was with 150 c.c. 
of fluid, and this has been my experience from the first. 
While the number of experiments made has not in all cases 
been sufficient to warrant the assumption that the exact 
strength and conditions for best results have been secured, 
yet it is evident that any great departure from it has failed 
to give as good results. When a small quantity of starch 
or sugar was added to the meal, the amount digested was 
diminished in proportion. 
Per cent. digested. 
MIT treet ir eRe Me te Bes sg 10,00 
Sarmemeatand starch... 00 Oo. NY 
Corn meal and sugar......... Met teadiy. watieaae swe cate, See ee Pe 54.45 
Corn meal, starch and sugar ... 
When 0.5 grams of egg albumen was tested, the whole 
was digested, but the addition of a little starch or sugar 
tended to diminish the digestibility. 
Per cent. digested. 
PORES ST oa 2 ei a mee Mr ciat eat RUS cael a tap a 100.00 
fy LORIE USING dl lei gh a hes I te 88.51 
if CMe RKCTMm PN URENP LH aid ad. sbivyic iw St ae a Bire!! erin tis fiat ome 99.15 
- RESPOADC BUpAT yu dee ots 6 SECS COA e Mathe ambi goad 1 98.16 
te REM OM EP ATIANC Olney eorat Oe. tuert ht Plea pee eat S 90.60 
PANCREATIN DIGESTION. 
In artificial digestion trials it is usually recommended to 
further continue the operation after the digestion with gas- 
tric juice, by means of a pancreatin solution, but my own 
experience with the pepsin method has failed to give so 
uniform or as high results on the whole as when the pan- 
creatin digestion was omitted. With the coarse fodders— 
hay, straws, etc., in somé cases a higher digestion coeffi- 


‘Strictly speaking, the heading ‘Per cent. digested,” in this connection, 
is incorrect, for it is hardly proper to call the amount dissolved by water as 
digested, in the sense that pepsin digests the substance, but to enable us to 
more comprehensively tabulate the matter, this term is used. 
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