YOSHIMARO TANA K A ,75 
Grand totals of the results from the cross sysy ? x SysY J : 
Striped Striped Non-striped Non-striped Total 
yellow (SY) white (Sy) yellow (sY) white (sy) 
Observed 112 338 372 1:9 941 
Expected 117.6 352.9 352.9 117.6 941.0 
(1 : 3 ! 3 = 1 ) 
From these data we see that a complete repulsion takes place in the 
female, and the partial one in the male. 
B. S-Y Coupling. 
Since I published a short article (1914 a) on the sexually dimorphic 
gametic series in striped-yellow coupling a host of data have been collected. 
In the following pages, both the figures contained in the paper just cited and 
those obtained since are given. 
SYsy x SYsy 
a) Diheterozygous striped yellow (SPQYsP&y) mated inter sc. 
Str. yel. 
(SPQY) 
Str. wh. 
(SPQy) 
Norm. yel. 
(sPOY) 
Norm. wh. 
(sPOy) 
Totals 
H i-6'i3 ]) 
204 
23 
12 
54 
293 
H t-8'13 
2 47 
26 
24 
65 
362 
H t-9'13 
60 
10 
1,8 
9 1 
H 29-V13 
240 
22 
jb 
63 
360 
H 29-2' 1 3 
140 
15 
0 -> 
-j 
48 
226 
H 29-3' 1 3 
300 
35 
33 
91 
459 
H 29-4' 1 3 
239 
38 
40 
55 
372 
H 29-5'! 3 
342 
36 
4i 
94 
513 
H 29-r/i 3 
242 
50 
24 
54 
370 
H 29-7' 1 3 
•95 
3i 
29 
39 
294 
H 29-8' 1 3 
275 
37 
36 
63 
41 1 
C i5'i4 
171 
'S 
20 
47 
253 
C i7-vi / i4 
21 1 
22 
16 
7' 
320 
0 i-2-'i4 
108 
5 
10 
26 
'47 
1) As to the alteration of suffixes of these lots, cf. p. 130. 
