102 Literature 



DE LANGE, D. (1912). " Mitteilungen zur Entwickelungsgeschichte 

 des Riesensalamanders (Megalobatrachus maximus Schlegel)." 



Anat. Anz. Vol. XLII. 



LEGROS, R. (1907). "Sur quelques cas d'asyntaxie blastoporiale 

 chez 1'Amphioxus." Mitt. Zool. Stat. Neapel. Bd. 18. 



LILLIE, F. (1908). "Development of the Chick." New York. 



LWOFF, B. (1894). "Die Bildung der primaren Keimblatter und 

 die Entstehung der Chorda und des Mesoderms bei den 

 Wirbeltieren." Bull, de la Soc. Imp. des Nat. de Moscou. 



MACBEIDE, E. W. (1898). " The early Development of Amphioxus." 

 Quart. Journ. Micr. Sci. Vol. XL. 



- (1910). "The Formation of the Layers in Amphioxus and 

 its Bearing on the Interpretation of the Early Ontogenetic 

 Problems in other Vertebrates." 



Quart. Journ. Micr. Sci. Vol. LIV. 



MARSHALL, A. M. (1893). "Vertebrate Embryology." London. 



MORGAN, T. H. (1896). "The number of Cells in Larvae from 

 Isolated Blastomeres of Amphioxus." 



Arch. f. Entw.-Mech. Bd. in. 



(1907). "Experimental Embryology." Macmillan. 



- and HAZEN, A. P. (1900). " The Gastrulation of Amphioxus." 



The Journal of Morphology. Vol. xvi. 



PATTEN, W. (1912). "The Evolution of Vertebrates and their 

 Kin." Philadelphia. 



PATTERSON, J. T. (1909). "Gastrulation in the Pigeon's Egg. 

 A Morphological and Experimental study." 



Journ. of Morph. Vol. xx. 



PRZIBRAM, H. (1908). " Embryogeny." University Press, Cam- 

 bridge. 



REIXKE, F. (1900). "Zum Beweis der trajectoriellen Natur der 

 Plasmastrahlungen." Archiv f. Entw.-Mech. Bd. ix. 



