1945/08 - Contents as taken from the front cover are as follows:

  • The Fallacy of the Lost Year by A.G. Keller
  • The Problem of the Amazon -- Part 2 by F. Ferreira Netto
  • United States Restrictions on Argentine Beef by Earl B. Shaw

  • An English Picture of the United States by William Laas
  • The Cinchona-Bark Industry of South America by William C. Steere
  • "Intellectual" vs. "Physical Peak" Performance by Harvey C. Lehman
  • Electrical Communication by John Mills
  • A Biologist Reflects Upon Old Age and Death by Francis B. Sumner
  • The Spirit of Truth by David Moffat Myers
  • Science on the March
  • Book Reviews
  • Comments and Criticisms
  • Meet the Authors