ORIGIN OF 'independent' LENSES 363 



LITERATURE CITED 



Barfurth, D. 1902 Versuche liber Regeneration der Linse beim Hiihnerem- 



bryo. Verh. d. anat.-Gesellsch. Halle. 

 FiscHEL, A. 1902 Weitere Mitteilungen iiber die Regeneration der Linse. 



Arch. f. Entw. Mech., Bd. 15. 

 GoLDSCHMiDT, R. 1916 Genetic factors and enzyme reaction. Science, N. S., 



vol. 43, pp. 9&-100. 

 Hagedoorx, a. L. 1911 Autocatalytical substances the determinants for the 



inheritable characters. Roux's Vortrage und Aufsatze uber Entwick- 



lungs-Mech., Heft 12. 

 Herbst, C. 1901 Formative Reize in der tierischen Ontogenese. 

 King, H. D. 1905 E.xperimental studies on the eye of the frog embryo. Arch. 



f. Entw. :\Iech., Bd. 19. 

 Le Cron, W. L. 1907 Experiments on the origin and differentiation of the 



lens in Amblystoma. Am. Jour. Anat., vol. 6. 

 Lewis, W. H. 1904 Experimental studies on the development of the eye in 



.Amphibia. 1. On the origin of the lens. Am. Jour. Anat., vol. 3. 

 Loeb. Jacques 1902 Dynamics of living matter. New York. 



1909 Die chemische Entwicklimgserregung des tierischen Eies. 

 Mexcl, E. 1903 Ein Fall von beiderseitiger Linsenausbildung wahrend der 



Abwesenheit von Augenblasen. Arch. f. Entw.-Mech., vol. 16. 



1908 Neue Tatsachen zur Selbstdifferenzierung der Linse. Arch. f. 



Entw.-Mech., vol. 25. 

 Robertson, T. B. 1908 On the normal rate of growth of an individual and its 



biochemical significance. Arch. f. Entw. Mech., vol. 25. 

 Spemann, H. 1901 tJber Correlationen in der Entwicklung des Auges. Verh. 



Anat. Ges. (Bonn) 1901. 



1907 Zum Problem der Correlation in der tierischen Entwicklung. 



Verh. Deutsch. Zool. Gesellsch. (Rostock). 



1912 Zur Entwicklung des Wirbeltierauges. Zool. Jahrb. Abt. f. 



Allg. Zool. u. Physiol., vol. 32. 

 Stockard, C. R. 1909 The development of artificially produced cyclopean 



fish — "The magnesium embrj-o." Jour. Exp. Zool., vol. 9. 



1910 The independent origin and development of the lens. Am. 

 Jour. Anat., vol. 10. 



Werbeh, E. 1. 1915 a Experimental studies aiming at the control of defective 

 and monstrous development. Anat. Rec, vol. 9. 



1915 b Further experiments aiming at the control of defective and 

 monstrous development. Year book No. 14 of the Carnegie Institution 

 of Washington, pp. 240-241. 



1916 a Blastolysis as a morphogenetic factor in the development of 

 monsters. Proc. Amer. Ass. Anatom., Anat. Rec, vol. 10, pp. 258- 

 261. 



1916 b Experimental studies on the origin of monsters. 1. An etiology 

 and an analysis of the morphogenesis of monsters. Jour. Exp. Zool., 

 vol. 21, November, in press. 



