THE ACHROMATIC FIGURE, CYTOKINESIS, AND CELL WALL 199 



Kabsch, W. 1863. UntersuchungeD iiber die chemische Beschaffenheil der Pflan- 

 zengewebejmitBezugaufdieneuesten Arbeiten Fremya liber diesen GezenafcinH 

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Klebs, G. 1886. Ueberdie Organization der Gallerte bei einigen Algen und FTagel- 



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 Klein, E. 1878, 1879. Observations on the structure of cells and nuclei Quar 



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 Kuhn, A. 1920. Untersuchungen zur kausalen Analyse der ZeUteilun* I irch 



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 Lawson, A. A. 1898. Some observations on the developmeni of the karyokinetic 



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1900. Origin of the cones of the multipolar spindle in Gladiolus Bol Gaz -JO • 

 145-153. pi. 12. 



1903. Studies in spindle formation, ibid. 36: 81-100. pis. 15 16. 

 1911. Nuclear osmosis as a factor in mitosis. Trans. Rov S„- Fdinb 48- 1 

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 Lillie, R. S. 1903. On differences in the direction of the electrical connection of 



certain free cells and nuclei. Am. Jour. Physiol. 8: 273-283. 

 Lutman, B. F. 1911. Cell and nuclear division in Closterium Bot Gaz 51- 



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 Lyon, F. 1905. The spore coats of Seiaginella. Bot. Gaz. 40 : 285-295. pis. 10, 11. 

 Mangin, L. 1888. Sur la constitution de la membrane des vegeHaux. ("our 

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 1889. Sur la presence des composees pectiques dans les vegetaux. Ibid. 109 : 579 

 1890a. Sur la substance intercellulaire. Ibid. 110 : 295. 



18906. Sur les reactifs colorants des substances fondamentalea de la membrane 

 Ibid. Ill: 120. 



1891. Observations sur la membrane cellulosiq ue. Ibid. 113; lDii'.i. 

 1893. Sur l'emploi du rouge de ruthenium en anatomie vegetale. Ibid. 116 . 653. 

 McClendon, J. F. 1910a. On the dynamics of cell-division. I. The electric chai 



on colloids in living cells in the root tips of plants. Arch. Entw Bl: 80-90 nl 



figs. 2. 



19106. On the dynamics of cell-division. II. Changes in perm < -ability in develop- 

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1913. The laws of surface tension and their applicability "to living cells and cell 

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 Meek, C. F. U. 1913. The problem of mitosis. Quar. Jour. Micr. Sci. 68 : 567-592 

 Meves, Fr. 1896, 1898. Zelltheilung. Ergeb. d. An.it. u. Entw. 6: 285 390' 8~- 



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 von Mohl, H. 1853. Ueber die Zusammensetzung der Zellmembran aue I Ssern 

 Bot. Zeit. 11 : 753-762, 769-775. 

 1858. Die Untersuchungen des Pnanzengewebes mil Bulfe des polaiisierten 

 Lichtes. Ibid. 16: 373-375. 1 pi. 

 Moltsch, H. 1888. Zur Kenntniss der Thyllen, nebsl Beobachtungen QberWund- 

 heilung in der Pflanzen. Sitzber. k. Akad. Wiss. Wien, Math.-Naturw CI 

 I 97 : 264-299. pis. 1, 2. 

 Moreau, F. 1913. Les Karyegamies multiples de la zygospore '!<■ Rhizopua ttitjri- 



cans. Bull. Soc. Bot. France 60: 121 123. 

 Morgan, T. H. 1899. The action of sail solutions on the unfertilized and fertilized 

 eggs of Arbacia, and of other animals. Arch. Entw. 8: Ms 539. p]< - m 

 figs. 21. 



