COPPER, ENZYMES, AND FERTILIZATION. 1 03 



fertilization may indirectly restore or produce conditions essential 

 for further growth and development. 



XIV. LITERATURE. 

 Aron, H. 



'09 Die Anorganischen Bestandteile der Tierischen Substanz. Oppenheim- 

 er's Handb. d. Biochemie, Vol. I., pp. 62—90. 

 Bayliss, W. M. 



'152 Principles of Gen. Physiology. Longmans Green & Co., London, 191 5. 

 Behrens, H. 



'94 A Manual of Microchemical Analysis. MacMillan & Co., London, 1894. 

 von Euler, H., and Svanberg, 0. 



'20 2 Ueber Giftwirkungen bei Enzymreaktionen. I. Inaktivierung der Sac- 

 charase durch Schwermetalle-Fermentforschung, Vol. 3, pp. 330-393. 

 Fleurent, E., and Levi, L. 



'ioi Chemical Abstracts, Vol. IV., p. 3466. 

 Glaser, 0. 



'131 On Inducing Development in the Sea Urchin (Arbacia punctulata) 

 together with Considerations on the Initiatory Effect of Fertilization. 

 Science, Vol. XXXVIIL, pp. 446-450. 

 '14 A Qualitative Analysis of the Egg-Secretions and Extracts of Arbacia 



and Asterias. Biol. Bull., Vol. XXVI., pp. 367-386. 

 '15 Can a Single Spermatozoon Initiate Development in Arbacia? Biol. 



Bull., Vol. XXVIII., pp. 149-153. 

 '213 Note on the Pigment in Arbacia Egg-Secretion. Biol. Bull., Vol. 



XLI., pp. 256-258. 

 '21* Fertilization and Egg-Secretions. Biol. Bull., Vol. XLI., pp. 63-72 

 '2i5 The Duality of Egg-Secretion. Am. Naturalist, Vol. LV., pp. 368-373. 

 '221 The Temporary Concentration of Sea-Salts about Arbacia Eggs 



Biol. Bull., Vol. XLIIL, pp. 175-183. 

 '222 The Hydrolysis of Higher Fats in Egg-Secretion. Biol. Bull., Vol. 



XLIIL, pp. 68-74. 

 '223 Note on the Synthesis of Ethyl Butyrate in Egg-Secretion. Science, 

 Vol. LV., p. 486. 

 Lillie, F. R. 



'132 The Mechanism of Fertilization. Science, Vol. XXXVIIL, pp. 524-528. 

 '19 Problems of Fertilization. Univ. Chicago Press. 1919. 

 '211 The Initial Event in Fertilization. Anat. Record, Vol. 20, p. 225. 

 '212 Studies of Fertilization, X. The Effects of Copper Salts on the 

 Fertilization Reaction in Arbacia and a Comparison of Mercury 

 Effects. Biol. Bull., Vol. XLI., pp. 125-143. 

 Macallum, A. B. 



'12 Die Methoden der Biologischen Mikrochemie. Abderhalden's Handb. 

 d. Biochemischen Arbeitsmethoden, pp. 1099-1147. 

 Maquenne, L., and Demoussy, E. 



'2o3 Sur la distribution et la migration du cuivre dans les tissues des plantes 

 vertes. Compt. Rend., Vol. 170, pp. 87-93. 



