LITERATURE 391 



Nakamura, T., 1937. (Anisotropic chromosomes.) Cytologia, Tokyo, Fujii Jubilee Vol. 



p. 482. 

 Naray-Szabo, St. v., 1928. (Starch, cr>'Stal lattice.) Liebigs Ann. 465. 299. 

 Nathanson, a., 1904. (Permeability, mosaic theor}'.) Jahrb. wiss. Bot. 39. 607. 

 Nebel, B. R., 1939. (Chromosomes, structure.) Bot. Rev. 5. 563. 

 Nebel, B. R., 1941. (Chromonemata, number per chromosome.) Cold Spr. Harb. Symp. 



quant. Biol. 9. 7. 

 Nebel, B. R. and Ruttle, M. L., 1937. (Chromonemata, number per chromosome.) 



Z. Zellforsch. 26. 281. 

 Needham, D. M., 1942a. (Muscle contraction.) Ann. Rep. Progr. Chem. for 1941, p. 241. 

 Needham, D. M., 1942b. (Adenosine triphosphatase.) Biochem. J. 36. 113. 

 Needham, J. and D. M., 1925. (Redox potential.) C. R. Soc. Biol. Paris 93. 503. 

 Nemec, B., 1929. (Nucleus, microscopic structure.) Protoplasma 7. 423. 

 Newman, S.B., BoRYSKO, E. and Swerdlow, M., 1949. (Electron microscopy, thin 



sections.) Science no. 66. 

 NicoLAi.E.and Frey-Wyssling,A., 1938. (CellwallofChaetomorpha.) Protoplasma 30.401. 

 NicoLAi, M. F. E., and Weurman, C, 1938. (Chlorophyll multifilms.) Proc. Acad. Sci. 



Amsterdam 41. 904. 

 NiGGLi, p., 1929. Geometrische Kristallographie des Diskontinuums. Berlin. 

 NiGGLi, P., 1941/42. Lehrbuch der Mineralogie. 3. Aufl. Berlin. 

 Noack, K., 1927. (Chlorophyll, state in chloroplast.) Biochem. Z. 183. 135. 

 Noack, K., 1930. (Chloroplast, distribution of iron.) Z. Bot. 23. 957. 

 Noack, K. and Liebich, H. 1941. (Chloroplast, distribution of iron.) Naturwiss. 29. 302. 

 Noack, K. and Timm, E., 1942. (Chloroplast, amino acids.) Naturwiss. 30. 453. 

 NoDA, H. and Wyckoff, R. W. G. 1951. (Rcprecipitated collagen.) Biochim. Biophys. 



Acta 7. 494. 

 NowoTNY, H. and Zahn, H., 1942. (Keratin of wool, fine-structure.) Z. phys. Chem. 



B 51. 265. 

 O'Brien, Jr. H. C, 1945. (Electron microscopy.) J. appl. Phys. 16. 370. 

 Ogur,M.,Erickson,R.O., Rosen, G. U., Sax, K.B.andHoLDEN, C, 1951. (Ribonucleic 



acid in nucleus.) Exp. Cell Research 2. 73. 

 Ohara, K., 1933a. (Silk, optics.) Sc. Pap. I.P.C.R. 21. 104. 

 Ohara, K., 1933b. (Silk, swelling.) Sc. Pap. I.P.C.R. 22. 216. 

 Ohara, K., 1938. (Wool, fine-structure.) Mclliand Textilber. 1938, No. 5. 

 Ohara, K., 1939. (Wool, fine-structure.) Melliand Textilber. 1939, No. 5. 

 Ohman, L., 1944. (Egg, lipo-protcic cortical layer.) Ark. f. Zool. (Stockholm) 36A. No. 7. 

 Oltmanns, Fr., 1922. Morphologie und Biologie der Algen. Bd. i. 2. Aufl. Jena. 

 OoRT, A. J. P., 1931. (Spiral growth.) Proc. Acad. Sci. Amsterdam 34. 564. 

 OoRT, A. J. P. and Roelofsen, P. A., 1932. (Phycomyces, optics of sporangiophore.) Proc. 



Acad. Sci. Amsterdam 35. 898. 

 OsTER, G., 195 1. (Long-range forces.) Z. Elektrochem. u. angew. physik. Chem. 55.529- 

 OsTERGREEN, G., 1950. (Chromosomcs, displacement in mitosis.) Hereditas 36. i. 

 OsTWALD, Wo., 1909. Grundriss der Kolloidchemie. Dresden. 

 Ostwald, Wo., 1925. (Structural viscosity.) Kolloid-Z. 36. 99. 

 OsTWALD, Wo., 1927. Die Welt der vernachlassigten Dimensionen. Leipzig. 

 Ostwald, Wo., 1938. (Terminology in colloid science.) Kolloid-Z 84. 258. 

 OvERBECK, F., 1934. (Cell elongation.) Z. Bot. 27. 129. 



Overton, E., 1899. (Lipid theory.) Viertelj. schr. Naturf. Ges. Zurich 44. 88. 

 Pacsu, E., 1948. (Cellulose, structural problems.) Fortschr. Chem. org. Naturstoffe 5. 128. 

 Painter, T. S., 1941. (Chromosomes, fibrillar structure.) Cold Spr. Harb. Symp. quant. 

 Biol. 9. 47. 



