386 BOTANICAL GAZETTE |november 



13. Hyman, L. H., Metabolic gradients in Amoeba and their relation to the 

 mechanism of amoeboid movement. Jour. Exp. Zool. 24:55-99.^ 1917. 



14. Jennings, H. S., Contributions to the study of the behavior of lower 

 organisms. Carnegie Inst. Pub. no. 16. 1904. 



15. Kite, G. L., Studies on the physical properties of protoplasm. I. The 

 physical properties of protoplasm of certain animal and plant cells. Amer. 

 Jour. Physiol. 32:146-164. 1913. 



16. Lehman, O., Molekularphysik. Leipzig. 1888. 



17. Lillie, R. S., The relation between contractility and coagulation of the 

 colloids in the ctenophore swimming-plate. Amer. Jour. Physiol. 16:117- 

 128. 1908. 



18. , The physiological significance of the segmented structure of the 



striated muscle fiber. Science 36:247-255. 1912. 



19. Mathews, A. P., Physiological chemistry. New York. 1916. 



20. McClendon, J. F., Physical chemistry of vital phenomena. Princeton. 

 1917. 



21. Ostwald, W., Theoretical and applied colloid chemistry. Transl. New 

 York. 191 7. 



22. Rhumb ler, L., Versuch einer mechanischen Erklarung der indirekten 

 Zellund Kerntheilung. Arch. Entw.-Mech. Org. 3:527-623. 1896. 



23. Seieriz, W., Observations on the structure of protoplasm by aid of micro- 

 dissection. Biol. Bull. 34:307-324. 1918. 



24. Strasburger, E., Zellbildung und Zelltheilung. Jena. 1880. 



25. Taylor, W. W., The chemistry of colloids. London. 191 5. 



26. Thomas, A. W. t The nomenclature used in colloid chemistry. Science 

 36:10-14. 1918. 



27. Wilson, E. B., Experimental studies in cytology. I. A cytological study 

 of artificial parthenogenesis in sea-urchin eggs. Arch. Entw-Mech. Org. 

 12:529-596. 1901. 



28. , Experimental studies in cytology. II. Some phenomena of 



fertilization and cell -division in etherized eggs; III. The effect on cleavage 

 of artificial obliteration of the first cleavage furrow. Arch. Entw-Mech. 



0r g- i3:3S3-395- 1902. 



29. , The cell in development and inheritance. New York. 191 1. 



30. Yocom, H. B., The neuromotor apparatus of Euplotes patella. Univ. 

 Calif. Publ. Zool. 18:337-396. 1918. 



t 



* 



