DIFFERENTIAL GROWTH 185 



;^^. Runnstrom, John, and Ludwik Monne. On some properties of the 

 surface-layers of immature and- mature sea-urchin eggs, especially the 

 changes accompanying nuclear and cytoplasmic maturation. Arkiv fiir 

 Zoologi, jd, I, 1946. 



34. Schmitt, Francis O., R. S. Bear, and K. J. Palmer. X-ray diffraction 

 studies on the structure of the nerve myelin sheath. /. Cell, and Coinp. 

 Physiol., 18, 31, 1 94 1. 



35. Schoenheimer, R. The Dynamic State of Body Constituents. Harvard 

 University Press, 1942. 



36. Scott, G. H. Mineral distribution in some nerve cells and fibres. Proc. 

 Soc. Exp. Biol. Med., 44, 397, 1940. 



37. Spemann, Hans. Embryonic Development and Induction. Yale Uni- 

 versity Press, Nev^^ Haven, 1938. 



38. Spiegelmann, S. Physiological competition as a regulatory mechanism , 

 in morphogenesis. Quart. Rev. Biol., 20, 121, 1945. 



39. Stillwell, E. Frances. Cytological study of chick heart muscle in tissue ' 

 cultures. Arch. f. Exp. Zellforsch., 21, 446, 1938. 



40. Thomas, J. Andre. Des epitheliums en culture et dans I'organisme. 

 Arch. f. Exp. Zellforsch., 22, 15, 1939. 



41. Thompson, D'Arcy W. On Growth and Form. Cambridge University 

 Press, 1942. 



42. Toro, E. t)ber Einpflanzung von Gewebekulturen. Arch. f. Zellforsch., 

 75, 312, 1934. 



43. Waddington, C. H. Organisers and Genes. Cambridge University 

 Press, 1940. 



44. Weiss, Paul. Functional adaptation and the role of ground substances 

 in development. Am. Nat., 67, 322, 1933. 



45. Weiss, Paul. In vitro experiments on the factors determining the 

 course of the outgrovi^ing nerve fiber. /. Exp. Zool., 68, 393, 1934. 



46. Weiss, Paul. Selectivity controlling the central-peripheral relations 

 in the nervous system. Biol. Rev., 11, 494, 1936. 



47. Weiss, Paul. Principles of Development. Henry Holt & Co., New 

 York, 1939. 



48. Weiss, Paul. The problem of cell individuality in development. Am. 

 Nat., 74, 34, 1940. 



49. Weiss, Paul. In vitro transformation of spindle cells of neural origin 

 into macrophages. Anat. Rec, 88, 205, 1944. 



50. Weiss. Paul. The morphogenetic properties of frozen-dried tissues. 

 Anat. Rec, 88 (Suppl.), 48, 1944. 



51. Weiss, Paul. The technology of nerve regeneration : A review. Suture- 

 less tubulation and related methods of nerve repair. /. Neurosurg., 

 7. 400, 1944. 



52. Weiss, Paul. Evidence of perpetual proximo-distal growth of nerve 

 fibers. Biol. Bull, 87, 160. 1044- 



53. Weiss. Paul. Experiments on cell and axon orientation in vitro: the 

 role of colloidal exudates in tissue organization. /. Exp. Zool., 100, 



353. 1945- 



