FERTILIZATION. 39 



References for Further Study. 



COXKLIN, E. G.: The Embryology of Crepidula. Jour, of Morphol., Vol. XIII, 1897. 



HARTMAN, C. G.: Studies in the Development of the Opossum. Jour, of M or ph., Vol. 

 XXVII, No. i, 1916. 



HARPER, E. H.: The Fertilization and Early Development of the Pigeon's Egg. Am. 

 Jour, of Anat., Vol. Ill, No. 4, 1904. 



HERTWIG, R.: Eireife, Befruchtung u. Furchungsprozess. In Hertwig's Handbuch d. 

 I'ergleich. u. experiment. Eniwickelungslehre der Wirbeltiere, Bd. I, Teil I, 1903. 



HUBER, G. CARL: The Development of the Albino Rat. Memoirs of the Wistar Insti- 

 tute, No. 5, Philadelphia, 1915. 



KELLICOTT, W. E.: General Embryology. New York, 1913. 



KING, H. D.: The Maturation and Fertilization of the Egg of Bufo lentiginosus. Jour. 

 of Morphol., Vol. XVII, 1901. 



LOEB, J.: Die Chemische Entwicklungserregung des Thierischen Eies. Berlin, 1909. 



SOBOTTA, J.: Die Befruchtung u. Furchung des Eies der Maus. Arch. f. mik. Anal., 

 Bd. XLV, 1895. 



WILSON, E. B.: The Cell in Development and Inheritance. 2d Ed., 1900. 



