222 
GENETIC STUDIES ON THE SILKWORM 
Coupling : 
H44~i'i3 Striped white x X 2-4/13 Normal yellow 
N6'i4 Striped yellow Distinct normal yellow + light normal yel. 
182 189 
I i i 1 
Light normal Light normal Plain Plain 
yellow (PQ 1 Y) white (PQ 1 y) yellow (PqY) white (Pqy) 
N 1 5— 1 '14 32 2 3 18 
Ni5-3'i4 130 11 6 24 
' ' ' 1 
A 94*15 113 .3 6 39 
F 5' 1 4 Normal (PQ 2 ) 
433 
1 
Norm. yel. (PQ 1 " 2 ) Norm. wh. (PQ 1 " 2 ) Pl.yel.(Pq) PL wh. (Pq) 
C2/-i'i4 138 19 11 44 
C42-l'i4 43 2 1 13 
C42-2'i4 103 6 12 19 
C42-3'i4 29 2 34 
F4'i3 Normal (PQ 2 ) 
169 
I ill 
C 26-2' '14 Norm. yel. n Norm. wh. PI. yel. PI. wh. 
113 q 8 31 
1 1 i \ 
C4i-i'i4 Norm. yel. Norm. wh. PI. yel. PI. wh. 
(PQ 2 Y) (PQ 2 y) (PqY) (Pqy) 
Repulsion 
68 7 6 19 
P 8/14 
Light norm. yel. Light norm. wh. PI. yel. 
(PQ 1 Y) (PQ 1 }-) (PqY) 
54 24 18 
1) Marking intensity of these normal was not recorded. 
