1. Correlation between cytology and map position in chrom. 1.

  Cytological Position Linkage Map Position
T1-2c S .7 near sr
T1-9c S .6 near P
T1-2b S .4 P 1.5
T1-6c S .3 P- 7.6- T - br
T1-3a S .25 P- 17.3- T - br
T1-9a   P- 20.0- T - 34 - br
T1-5b   P- 25.6- T - 32.4 - br
T1-5c   P- 24.2- T - 27.8 - br
T1-6b L .25 P- 39.0- T - 3.8 - br
T1-6a L .2 br - 13.4 - T
T1-3d   near br
T1-7c L .3 near br (2.7)
T1-7a L .4 near br
T1-10a L .4 near br
T1-7b L .6 near br
T1-9b L .6 br 7.0
T1-2a   near ad and an
T1-5a   br - 9.7 - T - 39. - bm2
T1-4a   br - 20. - T - 45. - bm2
T1-7d L .8 br - 34.7 - T - 18. - bm2