776 PATTERNS AND PROBLEMS OF DEVELOPMENT 



ranee, E.W. 1937a. Determination of polarity in Fiicus eggs by temperature gradients. 

 Proc. Soc. Exp. Biol. Med., 36. 1937&. Effect of temperature gradients upon polarity 

 in eggs of Fucus furcatus. Jour. Cell. Comp. Physiol., 10. — Ludwig, W. 1932. Das 

 Rechts-Links-Problem im Tierreich. Berlin. 1935. Analogien zwischen Bestimmung 

 des Geschlechtes und Bestimmung der Asymmetrieform (Rechts-Links-Problem). 

 Biol. Zbl., 55. — Lund, B. L. 1918. The toxic action of KCN and its relation to the 

 state of nutrition and age of the cell as shown by Paramecium and Didinium. Biol. 

 Bull., 35. — Lund, E. J. 1917. Reversibihty of morphogenetic processes in Bursaria. 

 Jour. Exp. Zool., 24. 1918a. Quantitative studies on intracellular respiration. I, IL 

 Amer. Jour. Physiol., 45. 19186. Quantitative studies, etc. III. Ibid., 47. 1921a. 

 Quantitative studies, etc. V. Ibid., 57. 192 16. Oxygen concentration as a limiting 

 factor in the respiratory metabolism of Planar ia agilis. Biol. Bull., 41. 1921c. Ex- 

 perimental control of organic polarity by the electric current. I. Jour. Exp. Zool., 

 34. 1922. Experimental control, etc. II. Ibid., 36. 1923a. Experimental control, etc. 

 III. Ibid., 37. 1923b. Electrical control of organic polarity in the egg of Fucus. Bot. 

 Gaz., 76. 1924a. The possible role of constant bioelectric currents in growth. Proc. 

 Soc. Exp. Biol. Med., 21. 1924b. Experimental control, etc. IV. Jour. Exp. Zool., 39. 



1925. Experimental control, etc. V. Ibid., 41. 1926. The electric polarity of Obelia 

 and frog's skin and its reversible inhibition by cyanides, ether and chloroform. Ibid., 

 44. 1928a. Relation between continuous bioelectric currents and cell respiration. II. 

 Ibid., 51. 1928b. Relation, etc. III. Ibid. 1928c. Relation, etc. V. Ibid. 1929a. 

 Electric polarity in the Douglas fir. Publ. Puget Sound Biol. Sta., 7. 1929b. Relative 

 dominance of growing points in the Douglas fir. Ibid. 1930. Internal distribution of 

 the electric correlation potentials in the Douglas fir. Ibid. 1931a. The unequal effect 

 of O2 concentration on the velocity of oxidation in loci of different electric potential and 

 glutathione content. Protoplasma, 13. 1931b. External polarity potentials in the apex 

 of the Douglas fir before and after mechanical stimulation. Plant Physiol., 6. 1931c. 

 Electrical correlation between living cells in cortex and wood in the Douglas fir. Ibid. 

 1932a. Control of the flux equilibrium of electrochemical processes and electric polarity 

 in the Douglas fir by temperature. Ibid., 7. 1932b. Comparison of the effects of tem- 

 perature on the radial and longitudinal electrical polarities in wood and cortex of the 

 Douglas fir. Ibid. 1938. The distribution of electric potential on the external surface 

 of single cells. Science, 87. Lund, E. J., and Bush, M. 1930. Electric correlation po- 

 tentials in the leaf of Bryophyllum. Plant Physiol., 5. Lund, E. J., and Hanszen, A. H. 

 193 1. Antagonism between the effects of cyanide and oxygen on the basal oxidations in 

 Planaria agilis. Abstr. Amer. Soc. Zool., Anat. Rec, 51. Suppl. Lund, E. J., and Ken- 

 yon, W. A. 1927. Relation between continuous bioelectric currents and cell respiration. 

 Jour. Exp. Zool., 48. Lund, E. J., and Moorman, J. B. 1931. Electric polarity and 

 velocity of cell oxidation as functions of temperature. Jour. Exp. Zool., 40. — Lus, J. 



1926. Regenerationsversuche an marinen Tricladen. Arch. Entw'mech., 108. — Luther, 

 A. 1904. Die Eumesostominen. Zeitschr. wiss. Zool., 77. 1927. Entwicklungsmecha- 

 nische Untersuchungen am Labyrinth einiger Anuren. Soc. sci. Fenn. comm. biol., 2. 

 Luther, W. 1935. Entwicklungsphysiologische Untersuchungen am Forellenkeim. Biol. 

 Zbl., 55. 1936a. Potenzpriifung an isolierten Teilstiicken der Forellenkeimscheibe. 

 Arch. Entw'mech., 135. 1936b. Austausch von priisumptiver Epidermis und Medul- 

 larplatte beim Forellenkeim. Ibid. 1937a. Transplantations- und Defektversuche am 



