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 FOL, H. 1877. Sur le commencement de 1'henogenie chez divers animaux. Arch. 



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 1891. Die "Centrenquadrille," ein neue Episode aus der Befrachtungsgeschichte. 



Anat. Anz. 6: 266-274. figs. 10. 

 FRASER, H. C. 1. 1908. Contributions to the cytology of Humaria rutilans. Ann. 



Bot. 22: 35-55. pis. 4, 5. 

 FRASER, H. C. I. and WELSFORD, E. .1. 1908. Further contributions to the cytology 



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 FRASER, H. C. I. and BROOKS, W. E. ST. J. 190S. Further studies on the cytology 



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1899. (On the morphology of the spermatozoid of Ginkgo biloba.) Ibid. 13: 260- 

 266. pi. 7. (Japanese.) 



1900. (Account of a sperm with two spiral bands.) Ibid. 14: 16-17. (Japanese.) 

 GRAHAM, M. 1918. Centrosomes in fertilization stages of Preissia quadrata (Scop.) 



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1898. Centrosomes in Plants. Bot. Gaz. 26: 158-164. 



GUILLIERMOND, A. 1904. Recherches sur la karyokinese chez les ascomycetes. 



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pis. 10-12. 

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 HARPER, R. A. 1895. Beitrag zur Kenntniss der Kernteilung and Sporenbilclung 



im Ascus. Ber. Deu. Bot. Ges. 13: (67)-(68). pi 27. 

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284. pis. 11, 12. 



1899. Cell division in sporangia and asci. Ann. Bot. 13: 467-525. pis. 24-26. 

 1905. Sexual reproduction and the organization of the nucleus in certain mildews. 



Carnegie. Inst. Publ. 37. Washington. 



1919. The structure of protoplasm. Am. Jour. Bot. 6: 273-300. 

 HARTMANN, M. und NOLLER, W. 1918. Untersuchungen uber die Cytologie von 



Trypanosoma theileri. Arch. Protistenk. 38: 355-374. pis. 14, 15. figs. 6. 

 HENNEGUY, L. F. 1897. Sur les rapports des cils vibratiles avec les centrosomcs. 



Arch. d'Anat Micr. 1 : 481-496. figs. 5. 

 HIRASE, S. 1894. Notes on the attraction spheres in the pollen cells of Ginkgo biloba. 



Bot. Mag. Tokyo 8 : 359. 

 HUMPHREY, J. E. 1894. Nucleolen und Centrosomen. Ber. Deu. Bot. Ges. 12: 



108-117. pi. 6. 

 HUMPHREY, H. B. 1906. The development of Fossombronia longiseta Austr 



Ann. Bot. 20: 83-108. pis. 5, 6. figs. 8. 



