THE MORPHOLOGY OF FERTILIZATION 87 



CONKLIN, E. G. 



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1904. " Experiments on the Origin of the Cleavage Centro- 

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FOL, HERMANN. 



1877. See references at end of chapter i. 



1891. "Le quadrille des centres. Un episode nouveau 



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FOOT, KATHERINE, AND STROBELL, ELLA C. 



1903. "The Sperm Centrosome and Aster of Allolobophora 

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GRIFFIN, BRADNEY B. 



1899. "Studies in the Maturation, Fertilization and Cleav- 

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HARPER, E. H. 



1904. "The Fertilization and Early Development of the 

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HENKING, H. 



1891. " Untersuchungen iiber die ersten Entwicklungs- 

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HERLANT, MAURICE. 



1911. "Recherches sur les ceufs di- et tri-spermiques de 

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HERTWIG, O. AND R. 



1887. See references at end of chapter i. 



JORDAN, E. O. 



1893. The Habits and Development of the Newt (Diemyc- 

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