1. In memoriam Dr. Bogusław Maczyński

   • B. Primault

   Announcement Pages: 97 - 98

2. Relative influence of selected cloud types and amounts on human energy budgets and skin temperatures

   • J. E. Burt
   • P. A. O'Rourke
   • W. H. Terjung

   OriginalPaper Pages: 99 - 114

3. Environmental profile and milk production of Friesian-Zebu crosses in Nigerian Guinea Savanna

   • M. O. Igono
   • Y. O. Aliu

   OriginalPaper Pages: 115 - 120

4. Environmental factors affecting seasonal variation in immunity of clinically normal dogs

   • A. Garsd
   • M. Shifrine

   OriginalPaper Pages: 121 - 128

5. Physiological responses of mules on prolonged exposure to high altitude (3 650 m)

   • S. S. Riar
   • K. Shankar Bhat
   • J. Sen Gupta

   OriginalPaper Pages: 129 - 136

6. Swine performance model for summer conditions

   • L. Christianson
   • G. L. Hahn
   • N. Meador

   OriginalPaper Pages: 137 - 145

7. Abstracts noted

   Abstract Pages: 146 - 146

8. The effect of seasons on behaviour during milking in buffaloes (Bos bubalis)

   • P. C. Gangwar

   OriginalPaper Pages: 147 - 151

9. Abstracts noted

   Abstract Pages: 152 - 152

10. The effects of negative air ions on various physiological functions during work in a hot environment

    • O. Inbar
    • A. Rotstein
    • F. G. Sulman

    OriginalPaper Pages: 153 - 163

11. Abstracts noted

    Abstract Pages: 164 - 164

12. Air ionization in radiotherapy rooms

    • K. Salasinski

    OriginalPaper Pages: 165 - 167

13. Abstracts noted

    Abstract Pages: 168 - 168

14. Abstracts of the Nineteenth Annual Meeting of the Japanese Society of Biometeorology, Hamamatsu, 28–29 November 1980

    • Y. Okuwaki
    • K. Iwami
    • T. Miura

    Abstract Pages: 169 - 195

15. Recent books

    • C. V. Smith

    BookReview Pages: 196 - 196