154 EXTERNAL FACTORS III. 8 



J. LOEB. The toxic and anti-toxic effects of ions as a function of their 

 valency and possibly their electrical charge, Amer. Journ. Phys. vi, 1901-2. 



J. LOEB and W. H. LEWIS. On the prolongation of the life of the 

 unfertilized eggs of sea-urchins by potassium cyanide, Amer. Joiirn. Phys. 

 vi, 1901-2. 



J. LOEB and W. J. GIES. Weitere Untersuchungen iiber die ent- 

 giftenden lonenwirkungen und die Rolle der Kationen bei diesen Vor- 

 giingen, Pflugers Arch, xciii, 1903. 



E. P. LYON. The effects of potassium cyanide and of lack of oxygen 

 upon the fertilized eggs and the embryos of the sea-urchin (Arlacia 

 jninctulata), Amer. Journ. Phys. vii, 1902. 



A. P. MATHEWS. The action of pilocarpine and atropine on the 

 embryos of the star-fish and the sea-urchin, Amer. Journ. Phys. vi, 1901-2. 



A. P. MATHEWS. The relation between solution tension, atomic 

 volume, and the physiological action of the elements, Amer. Journ. 

 Phys. x, 1903-4. 



A. P. MATHEWS. The toxic and anti-toxic action of salts, Amer. 

 Journ. Phys. xii, 1904-5. 



A. P. MATHEWS. The nature of chemical and electrical stimulation : 

 I. The physiological action of an ion depends upon its electrical state 

 and its electrical stability, Amer. Journ. Phys. xi, 1904. II. The tension 

 co-efficient of salts and the precipitation of colloids by electrolytes, 

 Amer. Journ. Phys. xiv, 1905. 



S. S. MAXWELL and J. C. HILL. Note upon the effect of calcium and 

 of free oxygen upon rhythmic contraction, Amer. Journ. Phys. vii, 1902. 



S. S. MAXWELL. The effect of salt-solutions on ciliary activity, Amer. 

 Journ. Phys. xiii, 1905. 



H. McGuiGAN. The relation between the decomposition-tension of 

 salts and their anti-fermentative properties, Amer. Joum. Phys. x, 1903-4. 



A. MOORE. Further evidence of the poisonous effects of a pure NaCl 

 solution, Amer. Journ. Phys. iv, 1900-1. 



A. MOORE. The effect of ions on the contractions of the lymph 

 hearts of the Frog, Amer. Journ. Phys. v, 1901. 



A. MOORE. On the effects of solutions of various electrolytes and 

 non-conductors upon rigor mortis and heat rigor, Amer. Journ. Phys. vii. 

 1902. 



A. MOORE. On the power of Na 2 S0 4 to neutralize the ill effects of 

 NaCl, Amer. Journ. Phys. vii, 1902. 



T. H. MORGAN. The action of salt solutions on the unfertilized and 

 fertilized eggs ofArbada and of other animals, Arch. Ent. Mech. viii, 1899. 



T. H. MORGAN. Further studies on the action of salt-solutions and of 

 other agents on the eggs of Arbacia, Arch. Ent. Mech. x, 1900. 



T. H. MORGAN. The relation between normal and abnormal develop- 

 ment of the embryo of the Frog as determined by the effect of lithium 

 chloride in solution, Arch. Ent. Mech. xvi, 1903. 



