Spee eat ahs PAGE 
Energy, utilization of, of meadow hay...............ccccceee 484, 490, 491 
mixed grains... 0.0.0.0... 0... cee ceeeaee 483, 491 
oat SUL BW yy tia adie 2a Sle para hee Savas 485, 490, 491 
OU eG bato8 Bue tgera i dk neat cee i 478, 490, 491 
PPObCIS ee is tee cic ewes waka e 463, 482, 491 
WICC hist a Oenactaaticaweule duvets +8 oa Ri eans 483, 491 
BUALCNS fc: acai dele cusyein Caeae eee ahaeastoshs 473, 490, 491 
wheat gluten..................000- 480, 490, 491 
SUTAW)s ec arie ce wine ee a ted ae Os 487, 490, 491 
Environment, thermal, critical. ........0.00.000 0.0 ccc ccc eee ee eens 358 
influence of, on heat production in fasting....... 347 
maintenance ration............. 435 
utilization of energy............ 471 
Enzym, rebuilding of proteids from cleavage products by.............. 40 
Epidermis, composition of.......... 0.0.0 ccc cece cence ene eens 63 
Hither eXtracte. hws sadaageadauwaeina wand ean awe Minas emllaasaeins 8 
digestible, gross energy of.......... saage Wate Ne GLO Se teiood 304 
metabolizable energy of...........-.+-++- 323, 332 
Exchange, gaseous, computation of heat production from............. 249 
effect of load O06 ii sciis dint See es eden te ease 509 
. muscular exertion OD..............0e ee eee 209 
respiratory, determination of............ 2. cece cece ee eee 73 
in fasting. ............ ete eae eee 84, 85 
intermediary metabolism. ................-- 405 
Excreta, determination of carbon of... 1.1.6... see eee eee eee eee 69 
: GiOXGEINs. sac gc ete sasae yeas 69 
hydrocarbons in..............s cece eee 69, 72 
methane isis de save ca cues tapes da ae 69, 72 
hydrogen in.. .............004. Sage eae nea ata emeeeas 72 
organic acids absent from. .......... 0.0 c eee eee eee eens 27 
percentage of oXygen in... 2.6... eee ee eee eee 15 
potential energy of, computation of.............--2eee eee eee 241 
determination of. .............0 0 serene 240 
total, computation of heat production from..............-.-+ 252 
Excretion. functions of digestive tract In... .. 6.6... cece ee eee eee eee 10 
nitrogen, proteid metabolism and.............+e0eeeee eee 97 
Pate-Ofs.daiea ane eea geri ws RR Gh eas eet BRED 98 
effect of non-nitrogenous nutrients on...... 130 
of free nitrogen. . 6... cece e eet t nett eneeees 42 
methane by cattle. . 0.0.0... cece e eee eet eens 243 
‘Exertion, muscular (see also Work). .....-...200eec cere terete ee oe 185 
effects of, influence of amount of food on.......... 197 
on carbon metabolism..........-.-.+++++ 209 
circulation. ....... see dence pall ononatdind 191 
gaseous exchange. .........----++-+5 209 
