1. Primary tuberculosis

   • Arvid Wallgren

   Original Articles Pages: 331 - 337

2. Pleural effusion secondary to lymphosarcoma

   • D. J. Reddy
   • V. Kameswara Rao
   • T. Suryaprakasa Rao

   Case Report Pages: 338 - 345

3. Genetic determinants of congenital abnormalities like mongolism

   • J. C.

   Editorial Pages: 346 - 347

4. Abstracts of the current literature

   Abstract Pages: 348 - 353

5. Has not been possible

   • S. K. Bagchi
   • S. R. Mukherjee

   Erratum Pages: 353 - 353

6. Notes

   BriefCommunication Pages: 354 - 357

7. Association of Microbiologists of India

   Announcement Pages: 358 - 358