CONTENTS 



CHAPTER PAGE 



19. THE PRIMATES 162 



20. THE SUBARCTIC EXPEDITION 165 



21. INFLUENCE OF COLD 170 



22. MAN IN THE ENERGY SCALE 185 



23. THE LAW OF ENERGY RELEASE: THE "LIFE LINE" 207 



24. THINKING BRAIN AND MORAL CODE 216 



PART III. Civilized Man 



25. TRAINING AND EDUCATION 223 



26. THE INFLUENCE OF CLIMATE UPON MAN 234 



27. THE HAZARDS OF LIFE 251 



PART IV. Summary and Discussion 



28. TEN BIOLOGIC PRINCIPLES 269 



Appendix 



A RECORD OF THE BODY WEIGHT AND CERTAIN ORGAN AND GLAND 

 WEIGHTS OF 3,734 ANIMALS 281 



GEORGE CRILE and 

 DANIEL P. QUIRING, PH.D. 



ADDENDUM 331 



INDEX 333 



VI 



