262 BIBLIOGRAPHY 



GuYER, M. E. The development of unfertilized frog eggs injected with 

 blood. Science, N.S. Vol. XXV, p. 910, 1907. 



Halley, Edm. An estimate of the degrees of mortality of mankind drawn 

 from tables of births and burials in the city of Breslau, with an lattempt 

 to ascertain the price of annuities on lives. Phil. Trans. No. 196, p. 596. 



Halley; Edm. Some further considerations on the Breslau bills of mor- 

 tality. Ibid. No. 198, p. 654. 



(Both of the above papers are reprinted in adequate abstract form 

 in Mem. Roy. 8oc. By Mr. M. Baddam, Vol. Ill, pp. 34-43; and pp. 

 52-53, 1739). 



Habpeb, M. Zur Entwicklung der Geschlechtsorgane von Chironomus. 

 Zool. Jahrbuch.; Abth. f. Anat. u. Ont. Bd. XXXI, 1911. 



Harbison, R. G. The outgrowth of the nerve fiber as a mode of proto- 

 plasmic movement. Jour. Exper. Zool. Vol. IX, pp. 787-846, 1910. 



Habbison, E. G. The life of tissues outside the organism from the embryo- 

 logical standpoint. Trans. Cong. Amer. Phys. and Surg. Vol. IX, pp. 

 63-76, 12 plates, 1913. 



Haetmann, M. Uber die dauernde rein agame Ziichtung von Eudorina 

 elegans und ihre Bedeutung fiir das Befruchtungs — ^und Todproblem. 

 Sitz.-Ber. d.kgl. Akad. d. Wiss. Berlin, Bd. 52, 1917. 



Hegneb, E. W. The origin and Early History of the Germ Cells in Some 

 Chrysomelid Beetles, Jour, of Morphol., XX, 1909. 



Hegnbe, E. W. Experiments with Chrysomelid Beetles: III, The Effects 

 of Killing Parts of the Eggs of Leptinotarsa decemlineata. Biol. Bull. 

 XX, 1911. 



Hegnbe, E W. The History of the Germ Cells in the Paedogenetic Larvse 

 of Miastor. Science XXXVI. 1912. 



Uegneb, E. W. Studies on Germ Cells: I, The History of the Germ Cells 

 in Insects with Special Eeference to the Keimbahn-Determinants ; II, 

 The Origin and Significance of the Keimbahn-Determinants in Ani- 

 mals." Jour, of Morphol., XXV. 1914. 



Hegnee, E. W. Studies on Germ Cells: III, The Origin of the Keimbahn- 

 Determinants in a parasitic Hymenopteron, Copidosoma. Anat. Ana., 

 XLVI. 1914. 



Hegneb, R. W. The Germ-Cell Cycle in Animals. New York. 1914. 



Hendebson, E. Mortality Laws and Statisticsi. New York, 1915, pp. 

 v and 111. 



Heeon, D. On the relation of fertility in man to social status, and on the 

 changes in this relation that have taken place during the last fifty 

 years. Draper's Company Res. Mem. I, pp. 1-22, 1906. 



Hebsch, L. L'infigalite devant la mort d'apres les statistiques de la Ville 

 de Paris. Effets de la situation sociale sur la mortality. Rev. d'Eeon. 

 pol. Nr. 3 and 4, 1920, 54 pp. 



