28 SPOLIA ZEYLANICA. 
male, gives male and female progeny ; and the male + J + ? D 
mated back with the domestic female has produced chicks ; and 
further the male and female } J + } D have bred inter se and. 
produced chicks. 
A Summary in Diagram of the Ceylon Jungle Fowl Experiments, 
June 1, 1906 :— 
Negative 
2 oO 
na DOMESTIC 
Chicks 
fe acre J + 3D) 
‘A “ 
a Chicks 
Es a +$D) 
FS HYBRIDS Chicks 
g Gita 2D) g < (J + 3D) 
Negative 
