1. Absolute wavelengths of Fraunhofer lines: Convective motions in the solar photosphere and the gravitational red shift

   • D. L. Lambert
   • E. A. Mallia

   OriginalPaper Pages: 499 - 504

2. The forbidden lines of OI in the photospheric spectrum

   • E. A. Mallia

   OriginalPaper Pages: 505 - 509

3. A solar granulation spectrogram

   • J. G. Kirk
   • W. Livingston

   Research Note Pages: 510 - 512

4. Emission gradients in the continuum at the sun's limb

   • Eijiro Hiei
   • James E. Faller

   OriginalPaper Pages: 513 - 522

5. A measurement of the solar H and K profiles

   • O. R. White
   • Z. Suemoto

   OriginalPaper Pages: 523 - 530

6. Convective instability and overstability in the sunspot umbra

   • Mamoru Saitō
   • Shoji Kato

   OriginalPaper Pages: 531 - 542

7. The electrical conductivity in sunspot regions

   • Ludwig Oster

   OriginalPaper Pages: 543 - 556

8. A study of the green TiO band in the sunspot spectrum

   • Mitsugu Makita

   OriginalPaper Pages: 557 - 562

9. Emission of FeXV in coronal conditions

   • O. Bely
   • M. Blaha

   OriginalPaper Pages: 563 - 577

10. Some general properties of helmeted coronal structures

    • G. W. Pneuman

    OriginalPaper Pages: 578 - 597

11. On the relation between the solar activity cycle and the solar tidal force induced by the planets

    • Kozo Takahashi

    OriginalPaper Pages: 598 - 602

12. On the stability of the solar wind

    • Klaus Jockers

    OriginalPaper Pages: 603 - 610

13. Optical pumping and the D-line ratio of Comet 1962-III

    • N. S. Kovar
    • R. P. Kovar

    OriginalPaper Pages: 611 - 617

14. An instrument to measure solar magnetic fields by an atomic-beam method

    • M. Cimino
    • A. Cacciani
    • N. Sopranzi

    OriginalPaper Pages: 618 - 622

15. Book reviews

    • L. D. de Feiter
    • C. de Jager

    BookReview Pages: 623 - 623

16. Corrigenda

    Erratum Pages: 624 - 624