BIBLIOGEAPHICAL APPENDIX 289 



1901. Biological Studies on Old Age : 



1st Memoir. " Sur le blanchiment des cheveux et des polls," 



Annales de 1'Institut Pasteur, xv. No. 12, p. 865. 

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



1902. Biological Studies on Old Age. " Recherches sur la vieillesse des 



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

 Annales de 1'Institut Pasteur, xvi. No. 12. 



The Nature of Man. Studies in optimistic philosophy. The English 

 translation by P. Chalmers Mitchell. Heinemann : London ; 

 Putnams : New York, 1903. 8vo. 



1903. Studies on Human Nature : Paris, 1903. 



Etudes experimentales sur la syphilis (in collaboration with Dr. 



Roux) : 

 1st Memoir. Annales de 1'Institut Pasteur, xvii. No. 12, p. 809. 



1904. 2nd Memoir. "Etudes experimentales sur la syphilis" (in col- 



laboration with Dr. Roux), Annales de 1'Institut Pasteur, xviii. 

 No. 1, p. 1. 

 3rd Memoir. Id. No. 11. 



1905. 4th Memoir. Id. Annales de 1'Institut Pasteur, xix. No. 11. 

 Immunity in Infective Diseases. Translated from the French by 



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

 Co. : New York, 1905. 8vo. 



1906. 5th Memoir. Id., Annales de 1'Institut Pasteur, xx. No. 10. 



The New Hygiene : three lectures on the prevention of infectious 

 diseases. Translated and a preface written by E. Ray 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 



International Congress in Berlin), Annales de 1'Institut 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. "Etudes sur la flore intestinale," "Putrefaction intestinale," 



Annales de PInstitut Pasteur, xxii. No. 12. 



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



Weinberg, Pozersky, Distaso, Berthelot), Annales de 1'Institut 

 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 1'Institut 



Pasteur, xxiv. No. 10. 



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

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



1911. " Sur la fievre typholde experimental " (Metchnikoff et Besredka), 



Annales de 1'Institut Pasteur, xxv. No. 3. 

 Annales de 1'Institut Pasteur : 

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



du memoire de M. Choukevitch sur le cholera. 

 Tome xxv. No. 6. Reponse de MM. Metchnikoff et Besredka a 



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



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