1. Seasonality of conception in human populations in Chile

   • E. R. Hajek
   • J. R. Gutiérrez
   • G. Espinosa

   OriginalPaper Pages: 281 - 291

2. The oxygen consuming systems of the liver of mice exposed to simulated high altitude

   • K. Rivera
   • R. Aguilar
   • J. Alvarez

   OriginalPaper Pages: 293 - 297

3. Visible and ultraviolet reflectance characteristics of arctic homeotherms

   • P. S. Reynolds
   • D. M. Lavigne

   OriginalPaper Pages: 299 - 308

4. Electroculture for crop enhancement by air anions

   • H. A. Pohl
   • G. W. Todd

   OriginalPaper Pages: 309 - 321

5. Effects of air ions on the neonatal growth of laboratory rats

   • S. M. Hinsull
   • D. Bellamy
   • E. L. Head

   OriginalPaper Pages: 323 - 329

6. Measurement of ion-induced noise in atmospheric counting chambers, and a novel chamber for its elimination

   • N. F. Moody

   OriginalPaper Pages: 331 - 339

7. Fire-induced nutrient losses in a phryganic (East meditteranean) ecosystem

   • M. Arianoutsou
   • N. S. Margaris

   OriginalPaper Pages: 341 - 347

8. Abstracts of the Eighteenth Annual Meeting of the Japanese Society of Biometeorology, Fukuoka, 21–22 November 1979

   Abstract Pages: 349 - 369

9. In Memoriam Lieut. General Dr. Inder Singh, PVSM 1913–1980

   • I. S. Chohan

   Announcement Pages: 371 - 372