594 INDEX. 
PAGE 
Heat production, influence of muscular tonus On..........++eeeeeeeeee 191 
SPECIES ON. 26... eee ee ee ee eee eee eees 369 
temperature OD... 1.6... eee eee ee eee 351 
thermal environment on..............-.. 358 
time element On. ........ 0c see eeeeeeeee 439 
in intermediary metabolism............-200eeeeeees 405 
on maintenance ration............ 02 eee ee eee eee 436, 437 
relation of, to mass of tissue..........00-eeeeeeee ee 370 
SUTLACO Ri aed si aed s ores eside eae ss 359 
Variations 10)... wie s ebw tad Saw ee sem eed meee a meee e 351 
CAUSES: OF oes ead sooo ead eSATA 363 
mechanism Of... .....-... cscs cece eeees 352 
regulation of rate of emission Of...........cceeevereeeeeceners 349 
Heats of combustion................. 5 iatdgehfe 4b 5 Rinse DIONE 6 WeRRRS So wees Se 229 
Computation Of............ cece cee c ee ee er eceee 239 
Of foods «6. csvese vanes vi sawe sewau sv aman ves 236, 237 
food ingredients..............eeeeeeeeeee 236, 237 
organic substances... ......... eee cece eee eee 237 
Heat; UNitsiOl. wosiecacacen acaba sabes peewee! nadine ee madara 5 232 
He@XOSANS Sc. vena Tan SRG OM GU edie Qed «ES Mae oan’ 8 
FOR OSS ssid e a ey miele ark Stdaee a ois ne aN a Rew oes Siaee awh ewe sae ews 8 
artificial, formation of glycogen from..................-.04- 20 
formation of glycogen from. ........... cece eee ec ee eee eeee 20, 21 
Herbivora, determination of net availability of energy in...... 418, 427, 428 
hippuric acid in urine of. ......... 20. c cece eee ee ee eee 44 
metabolizable energy of food of............00ececceeeeees 281 
minimum of proteids for............. cece cece cece ee tenes 140 
Hippuric Q¢ide cc) voi vet cick cep iones Saas eas aawweRseame « SAeaS ds See 44 
composition of... oss escseeess daa ss whevewed vedeer secs 44 
formation of, from benzoic acid..............e000c0eee 44 
PY COCO) we it sa Sieve eee ko hase sie 44 
UPINGS 5.2 ches edicts d be Hadid ba mtg a Wee Ree eee eae 44 
loss of energy iN... 2.2... 2... cece cet ence eee 313, 322 
non-nitrogenous nutrients as source of................. 45 
Origin Of: ok casein awe as dan ah a adeee sere waareeos aes 44 
pentose carbohydrates as source Of..............000008 46 
source of benzoyl radicle of..............0.eee scene 44, 45 
Hoof, composition of... 0.02... cece cece ete n ee eeeneeane 63 
Horn, composition of... 2.20... occ ee nce eee e eee enennees 63 
Horse, consumption of oxygen in locomotion by.............. 504, 506, 507 
maintenance requirement of..............0.cccceeeccees 531, 537 
utilization of energy by, in work... . 2.2.0... ccc cece eeceeeeeee 502 
Abia trols. caw is eeedsadee se ows 509 
WAI) gi5 o Sesidsale ashing vieihers 504 
of ascent. ............cceee eee 506 
