INTELLIGENCE, POWER, 



Giraffe, 69-72, 74-76 

 action pattern, 70 

 energy-controlling organs, 71-72 



Glasser, Otto, 10 



(See also Crile, George) 



Goat, 147 



Goiter, among animals in captivity, 



84, 150 

 in man, 237, 258 



(See also Exophthalmic goiter) 



Good and evil, evolution of ideas of, 

 217 



Goose, Egyptian, adrenal-thyroid pat- 

 tern, 55 



Gorgas Memorial Laboratories, Pan- 

 ama, 6 



Gorilla, energy-controlling organs, 

 154, 162-164, 195-196 



Goubaud, Antonio, 9 



Graham, Allan, 282 



Graves, R. R. (see Swett, W. W.) 



Gravitation, factor in energy-con- 

 trolling system, 15 



Gregory, William King, 153 



and Raven, Henry C., "In Quest of 

 Gorillas," 15471. 



Greyhound, energy-controlling organs, 

 99, 100, 159-160 



H 



Habitat, factor in energy level, 57, 62, 



73, 75, 112, 120, 170-184 

 Haeckel's law, 197, 199, 269, 275, 278 

 Hair, as temperature stabilizer, 24, 239 

 Hancock, A. B., 150 

 Hare, African, energy-controlling or- 

 gans, 171 

 arctic, energy-controlling organs, 



171 

 Hartebeest, energy-controlling organs 



of, 171 



Hawaiian Islands, field research in, 10 

 Hearing mechanism of man, 214 

 Hearst, William Randolph, 84, 150, 



Heart, development by animal groups, 

 177-178 



effect of captivity on, 152 



as energy-controlling organ, in 

 animals, 3, 18, 19, 20, 22, 25, 35, 

 49,5i 5 S8,59,6o,6i,62,7i,75, 

 76, 82, 85, 86, 88, 90, 106, 109, 

 113, 115, 121, 122, 123, 125, 130, 

 139, 141, 143, 144, 146, 154, 156, 

 157,158,160,163,171, 175,176, 



179, 182, 183, 185, 194, 201, 204, 

 207, 242, 251, 252, 274, 275, 276, 

 277 



in man, 237, 239, 241, 254, 265, 



269, 276, 277, 278 

 factor in negative charge of blood 



cells, 31 

 function in metabolism system, 34- 



35, 271 



weight data, 284-330 

 Heart disease (see Cardiac disease) 

 Heart shot, effect of, 80 

 Heat, effect on energy-controlling or- 



gans, 3 



(See also Tropics) 

 Heat elimination, 22-25 

 relation to humidity, 240 



to size, 75 

 Heat therapy, 26 

 Heatstroke, 20-27, 2 39, 2 77 



ceiling of temperature for, 21, 26 

 cooling facilities, relation to, 22-25 

 explanation, 20 

 factor in intelligence, power and 



personality, 25 

 as limitation on energy-controlling 



organs, 114, 179 



Hen, energy-controlling organs, 158 

 Herbivores, energy-controlling system 



of, 88-90 

 maintenance of body temperature, 



24 

 pattern of competition with carni- 



vores, 57, 82, 89, 127 

 Herd, effect of natural selection in, 



89-94 

 line breeding in, 82, 90 



340 



