2QO HELEN DEAN KINT,. 



Loeb, J. 



'01 Experiments on Artificial Parthenogenesis in Annelids (Chatopterus) and 

 the Nature of the Process of Fertilization. Amer. Jour. Physiol., Vol. IV., 

 1901. 

 Mathews, A. P. 



'09 The Influence of Some Amino-Acids on the Development of Echinoderms. 



Biol. Bull., Vol. XVI., 1909. 

 Mathews, A. P. and Whitcher, B. R. 



'03 The Importance of Mechanical Shock in Protoplasmic Activity. Amer. 



Jour. Physiol., Vol. VIII., 1903. 

 Morgan, T. H. 



'96 The Production of Artificial Astrospheres. Arch. Entwicklungsmech., 



Bd. III.. 1896. 



'99 The Action of Salt Solutions on the Unfertilized and Fertilized Eggs of 

 Arbacia, and of Other Animals. Arch. Entwicklungsmech., Bd. VIII.. 

 1899. 



