596 LITERATURE 



Scott, D. B. and Wyckoff, R. W. G., 1946/47. (Teeth, electron microscopy.) U.S.A. 

 Public Health Rep. 61. 697, 1397; 62. 1513. 



Seifriz, W., 1927. (Erythrocytes, physical properties.) Protoplasma i. 345. 



Seifriz, W., 1929. (Cytoplasm, contractility.) Amer. Nat. 63. 410. 



Seifriz, W., 1936. Protoplasm. New York and London. 



Seifriz, W., 1937. (Protoplasmic flow.) Science 86. 397. 



Seifriz, W., 1938. (Protoplasm, fine-structure.) Science 88. 21. 



Seifriz, W., 1942. (Protoplasm, physical properties.) The structure of protoplasm. Mono- 

 graph Amer. Soc. Plant Physiol. Ames-Iowa, p. 245. 



Seifriz, W., 1943. (Protoplasm, streaming.) Bot. Rev. 9. 49. 



Seifriz, W., 1945a. (Protoplasm, stnacture.) Bot. Rev. 11. 231. 



Seifriz, W., 1945b. (Torsion in protoplasm.) J. Colloid Sci. i. 27. 



Seifriz, W., 1950. (Anesthesis of protoplasm.) Anesthesiol. 11. 24. 



Seifriz, W. and Plowe, J.Q., 1931. (Cytoplasm, extensibility.) J. Rheology 2. 



Semmens and Bhaduri, 1939. (Nucleoli, differential staining with methyl green.) Stain 

 Tech. 14. I. 



Senn, G., 1908. Gestaltveranderungcn der Pflanzenchromatophoren. Leipzig. 



Senti, F. R. and Witnauer, L. P., 1946. (A-starch, X-ray analysis.) J. Amer. Chem. Soc. 

 68. 2407. 



Serra, J. A. and Queiroz-Lopes, A., 1944. (Nucleolus, basic proteins.) Chromosoma 

 2. 576. 



Seybold, a., 1941. (Leaf pigments.) Bot. Arch. 42. 254. 



Seybold, a. and Egle, K., 1940. (Chlorophyll, physical state in chloroplast.) Bot. Arch, 



41. 578. 



Seybold, A., Egle, K. and Hulsbruch, W., 1941. (Chlorophyll in algae.) Bot. Arch. 



42. 239. 



Sharp, W. L., 1934. An introduction to cytology. 3rd ed. New York. 



Siedentopf, H. and Zsigmondy, K., 1903. (Ultramicroscope.) Ann. Phys. Lpz. (4) 10. i. 



Signer, R., 1930. (Double refraction of flow.) Z. phys. Chem. A. 150. 257. 



Signer, R., 1933. (Double refraction of flow.) Z. phys. Chem. A 165. 161. 



Signer, R., Caspersson, T. and Hammarsten, E., 193S. (Nucleic acids, double refraction 



of flow.) Nature 141. 122. 

 Signer, R. and Gross, H., 1933. (Double refraction of flow.) Z. phys. Chem. A 165. 161. 

 Sjostrand, F. S., 1949. (Retinal rods, layering.) J. cell. comp. Physiol. 33. 383. 

 Smith, J. H. C, 1936. (Carotins, light absorption.) J. Amer. chem. Soc. 58. 247. 

 Smith, J. H. C, 1937. (Leaf pigments.) Ann. Rev. Biochem. 6. 489. 

 Snellman, O. and BjornstAhl, Y., 1941. (Birefringence of flow.) Kolloid. Beih. 52. 403. 

 Snellman, O. and Erdos, T., 1948. (Myosin, molecular weight.) Biochim. Biophys. 



Acta 2. 650. 

 Snellman, O. and Erdos, T., 1949. (F-actomyosin, actin-myosin quotient.) Biochim. 



Biophys. Acta 3. 523. 

 Snellman, O. and Gelotte, B., 1950. (Muscle fibre, myosin extracted.) Exp. Cell 



Research i. 234. 

 Soding, H., 1 93 1. (Cell wall, extensibility.) Jahrb. wiss. Bot. 74. 127. 

 SoDiNG, H., 1934. (Cell wall structure of growing cells.) Jahrb. wiss. Bot. 79. 231. 

 SoLLNER, K., 1950. (Selective permeability.) J. Electrochem. Soc. 97. 139. 

 Speich, H., 1941. (Starch grains, optics.) Diss. E. T. H. Zurich. 



Spemann, H., 1936. Experimentelle Beitrage zu einer Theorie der Entwicklung. Berlin. 

 Spoehr, H. a., 1935. (Leaf pigments.) Year Book Carnegie Inst. Wash. 34. 192. 

 Sponsler, O. L., 1922. (Starch, X-ray diff'raction.) Amer. J. Bot. 9. 471. 

 Sponsler, O. L., 1923. (Starch, crystal lattice.) J. gen. Physiol. 5. 757. 



