THE MORPHOLOGY OF FERTILIZATION 87 



CONKLIN, E. G. 



1902. " Karyokinesis and Cytokinesis in the Maturation, 

 Fertilization and Cleavage of Crepidula and Other 

 Gasteropoda" Jour. Acad. Nat. Sci. (Philadelphia), 

 Ser. 2, Vol. XII. 



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

 somes," Biol. Bull., VII, 221-26. 



FOL, HERMANN. 



1877. See references at end of chapter i. 



1891. "Le quadrille des centres. Un episode nouveau 



dans 1'histoire de la fecondation," Arch. sci. phys. 



nat. Geneve (3), T. 25, pp. 393-420; also in Anat. 



Anz., VI, 266-74. 



FOOT, KATHERINE, AND STROBELL, ELLA C. 



1903. "The Sperm Centrosome and Aster of Attolobophora 

 foetida," Am. Jour. Anat., II, 365-69. 



GRIFFIN, BRADNEY B. 



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

 age of Thalassema and Zirphaea" Jour, of Morph., 

 XV, 583-634. 

 HARPER, E. H. 



1004. "The Fertilization and Early Development of the 

 Pigeon's Egg," Am. Jour. Anat., Ill, 349-86. 



HENKING, H. 



1891. " Untersuchungen iiber die ersten Entwicklungs- 

 vorgange in den Eiern der Insekten, II," Zeitschr. 

 fur wiss. Zool., Band 51. 



HERLANT, MAURICE. 



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

 grenouille," Arch, de biol., T. 26, pp. 103-336. 



HERTWIG, O. AND R. 



1887. See references at end of chapter i. 



JORDAN, E. O. 



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

 tylus viridescens)" Jour, of Morph., VIII, 269-366. 



