12 



18. BISHOP, D. W. (edit.), 1962 — "Spcrmatozoan motility" 



19. BRACHET. J. and A. E. MIRSKY (edit.). 1961 — "The cell" (Vols. 

 II and V) 



20. BULLOUGH, W. S.. 1961 — "Vertebrate reproductive cycles" (2nd 

 edit.) 



21. DYBAN, A., 1962 — "Grundriss der pathologischen Embryologie des 

 Menschen" 



22. FLAMM, H., 1959 — "Die pranatale Infektionen des Menschen, unter 

 besonderer Beriicksichtigung von Pathogenese und Immunologie" 



23. FRISCH, L. (edit.), 1961 — "Cellular regulatory mechanisms" 



24. IVANOVA-KAZAS, O. M., 1961 — "Comparative embryology of the 

 Hymenoptera" 



25. LENHOFF, H. M. and W. F. LOOMIS (edit.). 1961 — "The biology 

 of Hydra, and of some other Coelenterates" 



26. MANN. K. H.. 1962 — "Leeches (Hirudinea); Their structure, physio- 

 logy, ecology and embryology" 



27. MERCER, E. H.. 1961 — "Keratin and keratinization; An essay in 

 molecular biology" 



28. MOLOTKOVSKIJ, G. Ch., 1961 — "Polarity in plant development" 



29. OBRAZTSOVA, G. A., 1961 — "Development of vestibular function in 

 ontogenesis" 



30. OLIVIER. G.. 1962 — "Formation du squelette des membres chez 

 I'homme" 



31. PITKJANEN, I. G., 1961 — "New researches on fertilization and in- 

 crease of fertility in swine" 



32. RAMSEY. J. A. and V. B. WIGGLESWORTH (edit.). 1961 — "The 

 cell and the organism" 



33. RANZI, S. (edit.). 1961 — "Symposium on the germ cells and earliest 

 stages of development" 



34. RUDNICK, D. (edit.). 1961 — "Synthesis of molecular and cellular 

 structure" 



35. SAXeN, L. and S. TOIVONEN. 1962 — "Primary embryonic in- 

 duction" 



36. WADDINGTON, C. H.. 1962 — "New patterns in genetics and de- 

 velopment" 



37. WILLIS, R. A., 1962 — "The borderland of embryology and pathology" 

 (2nd edit.) 



38. YOUNG, W. C. (edit.). 1961 — "Sex and internal secretions" (3rd 

 edit.. Vols. I and II) 



39. ZARROW, M. X. et al. (edit.). 1961 — "Growth in living systems" 



40. ZOTIN, A. I., 1961 — "Physiology of the water metabolism in embryos 

 of bony fishes and sturgeons" 



