THE RELATIONS OF METABOLISM TO FOOD-SUPPLY. 141 
The following figures, obtained by the same investigators * in 
later experiments, are taken from Wolff’s compilation: + 
Tike Digested. Gain of 
Welghts Noncate by Antal 
; Kgs. Protein, Nutrieas, Genie. 
1860-61. 
Ox I. Period 5.......... 514 315 2435 0 
fs ee Ce es 531 405 4090 + 9.6 
as PE AG canvas easton t 533 375 4980 +24.8 
Ox II. Period 6.......... 625 280° 3060 + 9.6 
ae MS WSreawswas gate 643 435 4590 +14.4 
1865. 
Ox I. Experiment 1...... 638 395 4995 + 0.5 
. - 2a wees 643 410 3610 — 0.8 
x a Di hitie t 661 400 3620 + 4.0 
Ox II. . Oeewidsene 701 445 5540 — 6.4 
sg fa Geis incsea 715 390 6060 + 3.2 
G. Kthn’s extensive investigations at Méckern,{ together with 
subsequent ones by Kellner,§ afford the following data for the 
periods in which the ration was approximately a maintenance 
ration: 
: In Digested Food. in of 
Want smoisbonsaue| Nitvoren 
* F etabolizable ‘Animal, 
Hes” | ryote, (acres. | dime 
Kithn’s Experiments: 
Ox II. Period 1.......... 632 413 16388 + 0.1 
SE TEM OE Bei ons Seen 632 338 17986 — 2.6 
HET SE “Gis Gretsrastots a 631 339 18077 — 0.5 
OTVe. OP PDD esate ep 623 320 17125 — 5.7 
a Poe rere 602 451 15072 + 8.5 
ae) Cones We tee ee 644 458 15872 + 6.3 
a), © Oma San spe tear ater teas 672 540 17416 + 3.3 
Keillner’s Experiments: 
Ox: Anse ace. ace isin 620 440 16322 + 6.2 
OB cit atx aes athe oa ee 612 213 15447 —14.6 
BF SD cassie tip ees aeavuiar Otay 748 343 13716 —13.8 
BED Deis abate oi Grauavare auetes 28 Se 750 696 18655 — 2.8 
fT Nice sisisokcia ote 3 oe 858 665 24558 + 5.1 
* Beitrige, etc., Heft II., and Neue Beitriige, etc. 
+ Ernihrung landw. Nutzthiere, pp. 406-410. 
t Landw. Vers. Stat., 44, 257. 
§ Ibid., 47, 275; 50, 245, 
