PROTOZOA AND OTHER ANIMALS 995 



Infusoire parasite de I'hemocoele d'un Culex adulte. Bull. Soc. zool. Fr., 54: 

 187-91. 



Green, R. A., and E. L. Breazeale. 1937. Bacteria and the nitrogen metab- 

 olism of termites. J. Bac, 33: 95-96. 



Gruby, and O. Delafond. 1843. Recherches sur des animalcules se developpant 

 en grand nombre dans I'estomac et dans les intestins, pendant la diges- 

 tion des animaux herbivores et carnivores. C. R. Acad. Sci. Paris, 17: 

 1304-08. 



Haas, G. 1933. Beitrage zur Kenntnis der Cytologie von Ichthyophthirius 

 midtifiliis Fouq. Arch. Protistenk., 81: 88-137. 



Hall, R. P., and T. L. Jahn. 1929. On the comparative cytology of certain 

 euglenoid flagellates and the systematic position of the families 

 Euglenidae Stein and Astasiidae Biitschli. Trans. Amer. micr. Soc, 48: 

 388-405. 



Hall, S. R. 1931. Observations on Euglena leucops, sp. nov., a parasite of 

 Stenostomum, with special reference to nuclear division. Biol. Bull., 60: 

 327-44. 



Haswell, W. A. 1892. Note on the occurrence of a flagellate infusorian 

 as an intracellular parasite. Proc. Linn. Soc. N. S. W., (2) 7: 197-99. 



1907. Parasitic Euglenae. Zool. Anz., 31: 296-97. 



Haupt, A. W. 1932. Fundamentals of biology, 2d. ed., New York. 



Hazard, F. O. 1937. Two new host records for the protozoan Haptophrya 

 mkhiganensis Woodhead. J. Parasit., 23: 315-16. 



Hegner, R. W. 1922. Frog and toad tadpoles as sources of intestinal Pro- 

 tozoa for teaching purposes. Science, 56: 439-41. 



■ 1923. Observations and experiments on Euglenoidina in the digestive 



tract of frog and toad tadpoles. Biol. Bull., 45: 162-80. 



1924. Parasitism among the Protozoa. Sci. Mon., N.Y., 19: 140-45. 



1926a. Host-parasite relationships among human Protozoa. Proc. R. 



Soc. Med., 19: 41-44. 



1926b. The biology of host-parasite relationships among Protozoa 



living in man. Quart. Rev. Biol., 1: 393-418. 



1926c. Homologies and analogies between free-living and parasitic 



Protozoa. Amer. Nat, 60: 516-25. 



1928. The evolutionary significance of the protozoan parasites of 



monkeys and man. Quart. Rev. Biol., 3: 225-44. 



1937. Parasite reactions to host modifications. J. Parasit., 23: 1-12. 



Hegner, R., and J. Andrews (ed.). 1930. Problems and methods of research 



in protozoology. New York. 

 Heidenreich, E. 1935. Untersuchungen an parasitischen Ciliaten aus Anne- 



hden. Teil I: Systematik. Arch. Protistenk., 84: 315-92. 

 Hendee, E. C. 1933. The association of the termites, Kalotermes nimor, Reti- 



culitermes hesperus, and Zootermopsis angusticollis with fungi. Univ. 



Cal. Publ. Zool, 39: 111-34. 



