526 Heredity in Protozoa 



66. 1932. /. Exp. Zool. 63: 371. 



67. Ritz, H. 1916. Arch. Schiffs- u. Tropenhyg. 20: 392. 



68. Robertson, M. 1929. Parasitol. 21: 375. 



69. 1939. J. Pathol. Bad. 48: 305. 



70. Root, F. M. 1918. Genetics 3: 174. 



71. Schuckmann, W. v. and G. Piekarski 1940. Arch. f. Protistenk. 93: 355. 



72. Schueler, F. VV. 1947. /. Inf. Dis. 81: 139. 



73. Sonneborn, T. M. 1937. Biol. Bull. 72: 196. 



74. 1939. Amer. Nat. 73: 390. 



75. 1940. Anat. Rec. 78 (suppl.): 53 (abstract). 



76. 1942. Amer. Nat. 76: 46. 



77. 1943. Proc. Nat. Acad. Sci. 29: 329. 



78. 1945. Ann. Missouri Botan. Gard. 32: 213. 



79. 1945. Amer. Nat. 79: 318. 



80. 1946. Genetics 31: 231 (abstract). 



81. 1947. Advances in Genetics I: 263. 



82. 1947. Growth H; 291. 



83. 1947. Cold Spr. Harb. Symp. Qiiant. Biol. H: 236. 



84. 1948. Amer. Nat. 82: 26. 



85. 1948. Proc. Nat. Acad. Sci. 34: 413. 



86. 1949. Arner. Sci. 37: 33. 



87. and R. V. Dippell 1946. Physiol. Zool. 19: 1. 



88. , and W. Jacobson 1947. Genetics 32: 106. 



89. and A. LeSuer 1948. Amer. Nat. 82: 69. 



90. and R. S. Lynch 1932. Biol. Bull. 62: 258. 



91. and 1934. /. Exp. Zool. 67: 1. 



92. and 1937. Genetics 22: 284. 



93. Taliaferro, W. H. 1926. (luart. Rev. Biol. 1: 246. 



94. Turner, J. P. 1930. Univ. Calif. Publ. Zool. 33: 193. 



95. Wagtendonk, W. J. van 1948. Amer. Nat. 82: 60. 



96. 1948. /. Biol. Chem. 173: 691. 



97. and L. P. Zill 1947. J. Biol. Chem. 171: 595. 



98. Werbitski, F. W. 1910. Zentralbl. Bakt. 53: 303. 



99. Wichterman, R. 1940. /. Morph. 66: 423. 



100. 1946. Science 104: 505. 



101. Woodruff, L. L. 1931. (luart. J. Micr. Sci. 74: 537. 



102. and R. Erdmann 1914. /. Exp. Zool. 17: 425. 



103. Yorke, W., F. Murgatroyd and F. Hawking 1931. Ann. Trop. Med. Parasit. 25: 521. 



