Probe:	Pax6 cDNA5
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex ventricular layer	Present	Graded	1A , 1A'	Expressed from high rostro-laterally to low caudo-medially with highest expression level at the lateral cortex, and a sharp reduction at the pallial-subpallial boundary.
TS20: lateral ganglionic eminence	Weak		1A' , 1A

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex ventricular layer	Present	Graded	1B' , 1B	Expressed from high rostro-laterally to low caudo-medially with highest expression level at the anterior cortex, and a sharp reduction at the pallial-subpallial boundary.

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex ventricular layer	Present		1C , 1C'	Expression was abnormal in the cortex and decreased less sharply at the pallial-subpallial boundary.
TS20: lateral ganglionic eminence	Present		1C' , 1C

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex ventricular layer	Present		1D' , 1D	Expression was abnormal in the cortex and decreased less sharply at the pallial-subpallial boundary.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex ventricular layer	Strong	Graded	2A , 2A'	Expression levels were consistently high across the pallium and declined sharply at the pallial-subpallial boundary.
TS22: lateral ganglionic eminence	Weak		2A , 2A'

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex ventricular layer	Present		2B , 2B'	Expression declined more gradually at the pallial-subpallial boundary.
TS22: lateral ganglionic eminence	Present		2B , 2B'

Structure	Level	Pattern	Image	Note
TS21: cerebral cortex ventricular layer	Present
TS21: lateral ganglionic eminence	Present

Structure	Level	Pattern	Image	Note
TS21: cerebral cortex ventricular layer	Present
TS21: lateral ganglionic eminence	Present