WILLIAM H. TALIAFERRO 699 



Fantham, H. B., and Thomson, J. G.: "Enumerative Studies on Trypanosoma gambiense 



and Trypanosoma rhodesiense in Rats, Guinea-Pigs and Rabbits; Periodic Variations 



Disclosed," Proc. Roy. Soc, B, 83, 206-11. 191 1. 

 Franke, E.: ThcrapciUische Versuche hci Trypanosomenerkrankung (Inaug. Diss.). Giessen, 



1905. 

 Halberstaedter, L.: "Untersuchungen bei experimentellen Trypanosomenerkrankungen," 



Ccntralbl.J. BakterioL, Orig., 38, 525-32. 1905. 

 Hartman, E.: "Certain Interrelations between Plasmodium praecox and Its Host," Am. J. 



Hyg., 7, 407-32. 1927- 

 Hegner, R. W., and MacDougall, M. S.: "Modifying the Course of Infections with Bird 



Malaria by Changing the Sugar Content of the Blood," ibid., 6, 602-9. 1926. 

 Jennings, H. S.: Life and Death, Heredity and Evolution in Unicellular Organisms. Pp. 229. 



Boston, 1920. 

 Johnson, T. L.: In Vivo Trypanolysis with Especial Reference to "Zones of Inhibition," 



Relapse Phenomena and Immunological Specificity (Thesis). University of Chicago, 



1927. 

 Jollos, v.: "Experimentelle Protistenstudien. I. Untersuchungen iiber Variabilitat und 



Vererbung bei Infusorien," Arch. f. Protistenk., 43, 1-222. 1921. 

 Kleine, F. K., and Mollers, B.: "Ein fiir Trypanosoma brucei spezifisches Serum und seine 



Einwirkung auf Trypanosoma gambiense," Ztschr.f. Hyg. u. Infektionskrankh., 52, 229- 



237. 1906. 

 Kligler, I. J., and Weitzman, I: "Experimental Study of Trypanosomiasis in Palestine," 



Ann. Trop. Med., 18, 437-59. 1924. 

 Laveran, A., and Mesnil, F.: "Recherches morphologiques et experimentales sur le trypa- 



nosome des rats {Tr. lewisi Kent)," Ann. de Vlnst. Pasteur, 15, 673-714. 1901. 

 Laveran, A.: "Resistance des chevres et des moutons aux trypanosomiases; longue duree de 



I'immunite acquise a la suite de ces maladies," Compt. rend. Acad, de sc, 152, 63-66. 



1911. 

 Leger, A., and Ringenbach, J.: "Sur la Specificite de la propriete trypanolytique des serums 



des animaux trypanosomies," Compt. rend. Soc. de bioL, 70, 343-45. 191 1. 

 Leger, A., and Ringenbach, J.: "Sur la Specificite de la propriete trypanolytique des serums 



des animaux trypanosomies (deuxieme note)," ibid., 72, 267-69. 1912. 

 Levaditi, C, and Mcintosh: "Mecanisme de la creation des races des trypanosomes 



resistantes aux anticorps," Bull. Soc. path, exot., 3, 368-76. 1910. 

 Levaditi, C, and Muttermilch, S.: "Recherches sur la methode de Bordet et Gengou ap- 



pliquee a I'etude de trypanosomiases," Ztschr. f. Immunitdtsforsch. u. exper. Therap., 



Orig., 2, 702-22. 1909. 

 Lingard, A.: "The Trypanosoma of Dourine and Its Life History," Centralbl. f. BakterioL, 



Orig., 37, 537-47- 1904- 

 MacDougall, M. S.: "The Effects of Changes in the Sugar Content of the Blood on Bird 



Malaria," Am. J . Hyg., 7, 635-47. 1927. 

 MacNeal, W. J.: "The Life History of Trypanosoma lewisi and Trypanosoma brucei," J. 



Infect. Dis., i, 517-43. 1904. 

 Maldovan, J.: "Ueber die Immunitatsverhaltnisse bei Vogelmalaria," Centralbl. f. BakterioL, 



Orig., 66, 105-10. 1912. 

 Manteufel: "Studien iiber die Trypanosomiasis der Ratten mit Beriicksichtigung der 



iJbertragung unter natiirlichen Verhaltnissen und der Immunitat," Arb. a. d. kais. 



Gesundh., 33, 46-83. 1909. 



