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(1) Altenburg, E. 
1916. linkage in pp.imula sinensis. Genetics 1 : 354-366. 
(2) Bregger, T. 
1918. LINKAGE IN MAIZE! THE C ALEURONE FACTOR AND WAXY ENDO- 
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(3) Bridges, C. B. 
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(4) Brink, R. A. 
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(5) Collins, G. N. 
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(6) Emerson, R. A., and Hutchison, C. B. 
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(7) Gowen, J. W. 
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(8) Haldane, J. B. S. 
1919. THE PROBABLE ERRORS OF CALCULATED LINKAGE VALUES, AND THE 
MOST ACCURATE METHOD OF DETERMINING GAMETIC FROM CERTAIN 
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(9) Hutchison, C. B. 
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(10) Irwin, J. O. 
1925. ON A criterion for the rejection of outlying observations. 
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(11) Kempton, J. H. 
1919. inheritance of waxy endosperm in maize. U. S. Dept. Agr. 
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(12) Miner, J. R. __ 
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(13) Morgan, T. H., Bridges, C. B., and Sturtevant, A. H. 
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(14) Pearson, K. 
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(17) 1926. the variability of crossing over in maize. Genetics 11:1-37, 
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(18) Wright, S. 
1920. THE r ela tive importance of heredity and environment in 
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(19) Yule, G. U. 
1914. FLUCTUATIONS OF SAMPLING IN MENDELIAN RATIOS. Cambridge 
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