BIBLIOGRAPHICAL APPENDIX 289 



1901. Biological Studies on Old Age : 



1st Memoir. "8ur le blanohiment des cheveux et des poils," 



Annales de I'lnstitut Pasteur, xv. No. 12, p. 865. 

 L'lmmunite dans les maladies infectieuses. Paris, 1901. 



1902. Biological Studies on Old Age. " Becherches sur la vieilleBse des 



peiToquets " (in collaboration with Drs. Mesnil and Weinberg), 

 Annales de I'lnstitut Pasteur, xvi. No. 12. 

 Tlie Nature of Me^n. Studies in optimistic philosophy. The English 

 translation by P. Chalmers Mitchell. Heinemann : London ; 

 Putnams : New York, 1903. 8to. 



1903. Studies on Human Nature : Paris, 1903. 



:£tudes ezperimentales sur la syphilis (in collaboration with Dr. 



Boux) : 

 let Memoir. Annales de I'lnstitut Pasteur, xvii. No. 12, p. 809. 



1904. 2nd Memoir, "i^tudes experimentales sur la syphilis" (in col- 



laboration with Dr. Boux), Annales de I'lnstitut Pasteur, xviii. 



No. 1, p. 1. 

 3rd Memoir. Id. No. 11. 

 1906. 4th Memoir. Id. Annalea de I'lnstitut Pasteur, xix. No. 11. 



Immunity in Infective Diseases. Translated from the French by 



F. G. Binnie. University Press : Cambridge ; The Macmillan 



Co. : New York, 1905. 8vo. 



1906. 5th Memoir. Id., Annales de I'lnstitut Pasteur, zx. No. 10. 



The New Hygiene : three lectures on the prevention of infectious 

 diseases. Translated and a preface written by E. Bay Lankester. 

 Heinemann : London, 1906. 8vo. 



[Another edition.] Chicago Medical Book Co. : Chicago, 1906. 8vo. 



1907. [Another edition.] W. T. Keener & Co. : Chicago, 1907. 8vo. 

 "Sur la prophylaxie de la syphilis" (Paper read at the Xllth 



Intematiqnal Congress in Berlin), Annales de I'lnstitut Pasteur, 

 xxi. No. 10. 



The Prolongation of Life: optimistic studies. The English trans- 

 lation edited by P. Chalmers Mitchell. Heinemann: London, 

 1907. 8vo. 



Essais optimistes. 



1908. " !^tudes sur la flore intestinale," " Putrefaction intestinale," 



Annales de I'lnstitut Pasteur, xxii. No. 12. 



1909. Idem. " Boussettes et microbes " (in collaboration with MM. 



Weinberg, Pozersky, Distaso, Berthelot), Annales de I'lnstitut 

 Pasteur, xxiii. No. 12. 

 Notes on Sour Milk and other Methods of administering Selected 

 Lactic Germs in Intestinal Bacterio-therapy. J. Bale, Sons & 

 Co. : London, 1909. 8vo. 



1910. Idem. " Poisons intestinaux et scleroses," Annales de I'lnstitut 



Pasteur, xxiv. No. 10. 

 The Prolongation of life. New and revised edition. Heinemann : 

 London ; Putnams : New York, 1910. 8vo. 



1911. " Sur la fiSvre typholde exp6rimentale " (Metchnikofi et Besredka), 



Annales de I'Listitut Pasteur, xxv. No. 3. 

 Annales de I'lnstitut Pasteur : 

 Tome xxv. No. 6. Quelques remarques sur la vaccination a propos 



du m6moire de M. Choukevitch sur le cholera. 

 Tome xxv. No. 6^ B^ponse de MM. Metchnikofi et Besredka k 



M. le Dr. Vincent (remarques sur la vaccination antityphique). 



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