620 APPENDIX IV 



plants ; a haploid with one and a diploid with two additional chromo- 

 some fragments. Amer. Nat., 62, 22-33. 



Lesley, M. M., and Lesley, J. W., 1930, The Mode of Origin and Chromo- 

 some Behaviour in Pollen Mother Cells of a Tetraploid Seedling Tomato. 

 /. Genet., 22, 419-425- 



Levan, a., 193 1, Cytological studies in Allium. A preliminary note. 

 Hereditas, 15, 347-356. 



Levan, A,, 1932, Cytological Studies in Allium II., Chromosome morpho- 

 logical contributions. Hereditas, 16, 257-294. 



Levan, A., 1933 a, Uber das Geschlechtschromosom in Sedum Rhodiola DC. 

 Bot. Notiser, Lund, 1933, i95-i97- 



Levan, A., 1933 ^' Cytological studies in Allium III. Allium carinatum and 

 Allium oleraceum.. Hereditas, 18, loi— 114. 



Levan, A., 1933 ^> Cytological studies in Allium IV. Allium fistulosum. 

 Sv. Bot. Tidskr., 27, 211-232. 



Levan, A., 1934, Cytological studies in Allium V. Allium macranthum. 

 Hereditas, 18, 349-359- 



Levan, A., 1935 a, Cytological studies in Allium, VI. Hereditas, 20, 289- 



330- 

 Levan, a., 1935 b, Zytologische Studien in Allium Schoenoprasum. Hereditas, 



22, 1-128. 

 Levan, A., 1936, Die Zytologie von Allium cepa X fistulosum. Hereditas, 



21, 195-214- 

 Lewitsky, G. a., 1 93 1, Experimentally induced alterations of the morphology 



of chromosomes. Amer. Nat., 65, 564-567. 

 *Lewitsky, G. a., 1931, The morphology of the chromosomes. Bull. Appl. 



Bot., 27, (I), 19-173- 

 Lewitsky, G. a., and Araratian, G. A., 1932, Transformation of Chromo- 

 somes under the influence of X-rays. Bull. App. Bot., 27 (i), 265-286. 

 Lewitsky, G. A., and Benetzkaia, G. K., 1929, Cytological Investigations of 



constant intermediate rye-wheat hybrids. Proc. U.S.S.R. Cong, in Genet,, 



2, 345-352 (English summary). 

 Lewitsky, G. A., and Kuzmina, N. E., 1927, Karyological investigations on 



the genus Festuca. Bull. Appl. Bot., 17 (3). 3-36. 

 Lewitsky, G., Shepeleva, H., and Titova, N., 1934, Cytology of F^, Eg and 



F3 of X-rayed Crepis capillaris Wallr. Plant Industry in TJ.S.S.R., 



No. II. 

 Lewitsky, G., and Sizova, M., 1934, On regularities in chromosome transfor- 

 mations induced by X-rays. C. R. Acad. Sci. U.R.S.S.. 1934, 86-87. 

 Lewitsky, G. A., and Tron, E. J., 1930, Zur Frage der karyotypische Evolu- 

 tion der Gattung Muscari Mill. Planta, 9, 760-775. 

 Li, J-C, 1927, The Effect of chromosome aberrations on development in 



Drosophila melanogaster. Genetics, 12, 1-58. 

 LiDFORSS, B., 1914, Resume seiner Arbeiten iiber Rubus. Z.I.A.V., 12, 1-13. 

 LiLiENFELD, F. A., 1933, Karyologische und genetische Studien an Fragaria. 



Ein tetraploider Bastard zwischen F. nipponica (n = 7) und F. elatior 



(n == 21). Jap. J. Bot., 6, 425-458. 

 LiLLiE, R. S., 1905 a, On the conditions determining the disposition of the 



chromatic filaments and chromosomes in mitosis. Biol. Bull., 8, 193-204. 

 LiLLiE, R. S., 1905 b, The physiology of cell-division, I. Experiments in the 



conditions determining the distribution of chromatic matter in mitosis. 



Amer. J. Physiol., 15, 46-84. 

 LiNDEGREN, C. C, 1933, The genetics of Neurospora III. The development of 



pure-bred stocks and crossing-over in N. crassa. Bull. Torr. Bot. Club., 



60, 133-154. 



