1. Base temperature and heat units for leaf flushing emission and growth ofHevea brasiliensis Muell. Arg.

   • José Pires de Lemos Filho
   • Nilson Augusto Villa Nova
   • Hilton Silveira Pinto

   OriginalPaper Pages: 65 - 67

2. Heliophysical activity and incidence variations of skin malignant melanoma in Czechoslovakia: A regional study

   • Borislav D. Dimitrov

   OriginalPaper Pages: 68 - 71

3. The 11-year cycle in human births

   • Walter Randall
   • Walter S. Moos

   OriginalPaper Pages: 72 - 77

4. The periodicities in and biometeorological relationships with bed occupancy of an acute psychiatric ward in Antwerp, Belgium

   • M. Maes
   • F. De Meyer
   • P. Cosyns

   OriginalPaper Pages: 78 - 82

5. Rock selection for nesting inProformica longiseta Collingwood, 1978 (Hymenoptera, Formicidae) in a Mediterranean high mountain

   • Fernández Escudero Ignacio
   • Alberto Tinaut
   • Francisca Ruano

   OriginalPaper Pages: 83 - 88

6. Airborne pollen and spores of León (Spain)

   • Delia Fernández-González
   • María Suarez-Cervera
   • Rosa María Valencia-Barrera

   OriginalPaper Pages: 89 - 95

7. Influence of halophyte plantings in arid regions on local atmospheric structure

   • R. A. Pielke
   • T. J. Lee
   • R. Avissar

   OriginalPaper Pages: 96 - 100

8. On simulation of air temperature curve near the ground in presence of frosts in Valley of Perote (Mexico)

   • Domitilo Pereyra Díaz
   • Adalberto Tejeda Martínez

   Short communication Pages: 101 - 103

9. Abstracts of the thirty-first annual meeting of the Japanese Society of Biometeorology

   • M. Iriki
   • Y. Inaba

   Abstracts Pages: 104 - 108

10. Book review

    • R. W. Gloyne
    • H. Lieth

    BookReview Pages: 109 - 109