LITERATURE 119 



SUTTON, W. S. On the morphology of the chromosome group in 

 Brachystola magna, Biol. Bull, iv, 1902. 



TEICHMANN, E. Ueber Furchung befruchteter Seeigeleier ohne 

 Beteiligung des Spermakerns. Jen. Zeitschr. xxxvii, 1903. 



TENNENT, D. H. The dominance of maternal or of paternal characters 

 in Echinoderm hybrids. Arch. Ent.-Mech. xxix, 1910. 



VERNON, H. M. The relations between the hybrid and parent forms 

 of Echinoid larvae. Phil. Trans. Roy. Soc. Exc. B, 1898. 



VERNON, H. M. Cross-fertilization among Echinoids. Arch. Ent.- 

 Mech. ix, 1900. 



WARBURG, 0. Beobachtungen iiber die Oxydationsprozesse im See- 

 igelei. Zeitschr. Physiol. Chem. Ivii, 1908. 



WETZEL, G. Zentrifugierversuche an unbefruchteten Eiern von Rana 

 fusca. Arch. Mikr. Anat. Ixiii, 1904. 



WHITNEY, D. D. The effect of a centrifugal force upon the develop- 

 ment and sex of parthenogenetic eggs of Hydatina Senta. Journ. Exp. 

 Zool. vi, 1909. 



WILSON, E. B. Cleavage and mosaic work. Arch. Ent.-Mech. iii, 

 1896. 



WILSON, E. B. A cytological study of artificial parthenogenesis in 

 Sea-urchin eggs. Arch. Ent.-Mech. xii, 1901. 



WILSON, E. B. Experiments on the cleavage mosaic in Patella and 

 Dentalium (II). Journ. Exp. Zool. i, 1904. 



WILSON, E. B. Studies on chromosomes. Journ. Exp. Zool. ii, 1905, 

 and iii, 1906. 



WOODRUFF, L. An experimental study of the life-history of Hypo- 

 trichus Infusoria. Journ. Exper. Zool. ii, 1905. 



YATSU, N. Experiments on the development of egg-fragments in 

 Cerebratulus. Biol. Bull, vi, 1904. * 



YATSU, N. An experiment on the localization of developmental 

 factors in the Nemertine egg. Science (2), xxv, 1907. 



