1. Metabolism of oestradiol-17β by male and female larvae ofXenopus laevis

   • G. S. Rao
   • H. Breuer
   • E. Witschi

   Specialia 01 December 1968 Pages: 1258 - 1258

2. The influence of prolactin on the activity of steroid-3β-ol dehydrogenase in the ovaries of the cichlid fishAequidens pulcher

   • V. Blüm
   • K. M. Weber

   Specialia 01 December 1968 Pages: 1259 - 1260

3. Preliminary indications for the presence of a hypothalamic follicle stimulating hormone synthesizing factor

   • A. Corbin
   • Ellen L. Daniels

   Specialia 01 December 1968 Pages: 1260 - 1262

4. The action of estrogens on the sebaceous glands of the guinea-pig's nipple

   • A. Maggiora
   • J. Reiffers
   • W. Jadassohn

   Specialia 01 December 1968 Pages: 1262 - 1263

5. Localization of the hypocalcemic factor in the pituitary gland

   • M. S. Zileli
   • S. Caglar
   • G. Kanra

   Specialia 01 December 1968 Pages: 1263 - 1264

6. Separation of two components of adenovirus type 12 induced T-antigens with sephadex G-50

   • P. Erb
   • M. Gasser
   • H. Loeffler

   Specialia 01 December 1968 Pages: 1264 - 1265

7. Adjuvant-induced liver disease in mice-transfer experiments

   • A. Lundquist

   Specialia 01 December 1968 Pages: 1266 - 1266

8. Degradation of rapidly labelled RNA in proliferating and non-proliferating human acute leukemia cells

   • A. Pileri
   • R. Bernardelli
   • F. Gavosto

   Specialia 01 December 1968 Pages: 1267 - 1268

9. Mécanisme d'action du chloramphénicol dans l'inhibition de la production d'anticorps induite par de différents types d'antigènes

   • L. Michelazzi
   • U. M. Marinari
   • I. Baldini

   Specialia 01 December 1968 Pages: 1268 - 1270

10. Influence du sexe, de la carcinogénèse et de la vie en milieu exempt de germe sur la concentration tissulaire en une β-glycoprotéine

    • D. Dufour
    • A. Tremblay
    • S. Lemieux

    Specialia 01 December 1968 Pages: 1271 - 1272

11. Thymus and adoptive transfer of antibody formation

    • B. D. Janković
    • K. Isaković

    Specialia 01 December 1968 Pages: 1272 - 1274

12. The adaptive significance of blood potassium and hemoglobin types in sheep

    • N. S. Agar

    Specialia 01 December 1968 Pages: 1274 - 1275

13. Cytological evidence suggestive of crossing over within the mammalianX chromosome

    • J. Egozcue

    Specialia 01 December 1968 Pages: 1275 - 1276

14. Antigenic similarity of humanα₁-antitrypsin to a corresponding protein in the serum of non-human primates

    • F. Kueppers

    Specialia 01 December 1968 Pages: 1277 - 1278

15. Changes in the glomerular endothelia connected with gross virus infection of mice

    • W. Djaczenko
    • J. Grabska
    • A. Benedetto

    Specialia 01 December 1968 Pages: 1278 - 1279

16. Stimulation der Eiablage unbegatteter Weibchen des MondspinnersActias selene durch ein Männchen-Pheromon

    • G. Benz
    • Kaethe Schmid

    Specialia 01 December 1968 Pages: 1279 - 1281

17. A sporulating strain ofBacillus popilliae

    • V. R. Srinivasan
    • Grace L. Craig

    Specialia 01 December 1968 Pages: 1282 - 1283

18. Lymphatic drainage of the brain

    • M. Földi
    • B. Csillik
    • Ö. T. Zoltán

    Specialia 01 December 1968 Pages: 1283 - 1287

19. Human chorionic somato-mammotropin (HCS), proposed terminology for designation of a placental hormone

    • C. H. Li
    • M. M. Grumbach
    • K. J. Catt

    Specialia 01 December 1968 Pages: 1288 - 1288

20. Sterile submerged culture of some graminaceous plantlets

    • L. Barcellona-Vero
    • L. Mino
    • A. Tonolo

    Specialia 01 December 1968 Pages: 1288 - 1289

21. Methode zur kontinuierlichen Registrierung der Atembewegungen am freibeweglichen Krebs (Potamobius astacus Leach)

    • M. Naynert

    Specialia 01 December 1968 Pages: 1289 - 1290

22. Application of the indigogenic principle for the histochemical demonstration of ribonuclease

    • P. L. Wolf
    • J. P. Horwitz
    • E. Von der Muehll

    Specialia 01 December 1968 Pages: 1290 - 1291

23. A feather pulp culture technique for avian chromosomes, with notes on the chromosomes of the peafowl and the ostrich

    • M. Sasaki
    • T. Ikeuchi
    • S. Makino

    Specialia 01 December 1968 Pages: 1292 - 1293

24. A refined test for X-ray induced dominant lethals inDrosophila

    • F. E. Würgler
    • U. Petermann
    • H. Ulrich

    Specialia 01 December 1968 Pages: 1293 - 1294

25. A simplified isolation procedure of four cocarcinogenic phorbolesters from croton oil

    • J. G. Meyer-Bertenrath

    Specialia 01 December 1968 Pages: 1295 - 1296

26. Congressus

    Specialia 01 December 1968 Pages: 1296 - 1296