264 BIBLIOGRAPHY 



LoEB, J. The salts required for the development of insects. Jour, Biol. 



Chem. Vol. XXIII, pp. 431-434, 1915. 

 LoEB, J. The sex of parthenogenetic frogs.. Proc. Nat. Aead. Vol. 2, pp. 



313-317, 1916. 

 LoEB, J. Natural death and the duration of life. 8ci. Monthly, Dec. 1919, 



pp. 578-585. 

 LoEB, J. and Lewis, W. H. On the prolongation of the life of the unfer- 

 tilized egg of sea-urchins by potassium cyanide. Amer. Jour. Physiol. 



Vol. VI, pp. 305-317, 1902. 

 LoEB, J. and Nobthbof, J. H. Is there a temperature coe£Scient for the 



duration of life? Proc. Nat. Acad. Sci. Vol. II, pp. 456-457, 1916. 

 LoEB, J. and Nobthbop, J. H. Nutrition and evolution. Second Note. 



Jour. Biol. Chem. Vol. XXVII, pp. 309-312, 1916. 

 LoEB, J. and Noetheop, J. H. What determines the duration of life in 



Metazoa? Proc. Nat. Acad. Sci. Vol. Ill, pp. 382-386, 1917. 

 LoEB, J. and Nobthbop, J. H. On the influence of food and temperature 



upon the duration of life. Jour. Biol. Chem. Vol. XXXII, pp. 103- 



121, 1917. 

 Loeb, Leo. Observations on the inoculability of tumors and on the en- 

 demic occurrence of cancer. Internat. Clinics, Vol. Ill, (17th ser.), 



pp. 115-130, 15 platee, 1&07. 

 Loeb, Leo. Tumor growth and tissue growth. Proc. Amer. Phil. Soc. 



Vol. XLVII, pp. 1-12, 1908. 

 Loeb, Leo. Discussion in symposium "On the Development of Tissues 



i» Vitro." Trans. Cong. Amer. Phys. and Surg. Vol. IX, pp. 99- 



101, 1913. 

 Loeb, Leo. Germ cells and somatic cells Amer. Nat. Vol. XLIX pp 



256-305, 1915. 

 Loeb, Leo. General problems and tendencies in cancer research. Science, 



N.S. VoL LXIII, pp. 293-303, 1916. 

 Loeb, Leo. The scientific investigation of cancer. Soi. Monthly, Sept. 



1916, pp. 209-226. 

 Loeb, Leo. Tissue growth and tumor growth. Jour. Cancer Research, 



Vol. 11, pp. 135-150, 1917. 

 Loeb, Leo. Transplantation and individuality. Biol. Bulletin, Vol. XL. 



pp. 143-180, 1921. 

 Macdonell, W. R. On the expectation of life in ancient Rome, and in 



the provinces of Hispania and Lusitania and Africa. Biometrika, 



Vol. IX, pp., 366-380, 1913. 

 METCHNiKorp, E. The Prolongation of Life. New York, 1908, pp. 343. 

 MiNOT, C. S. Age, Growth and Death. New York, 1908, pp. 280. 

 MiTCHEix, P. C. On Longevity and Relative Viability in Mammals and 



