Table 2. Number of cells per hemisphere and PB column (when relevant) in the drivers used in this study, as estimated by counting cell bodies in confocal stacks.

When counting was difficult (e.g. because of densely packed somata) we indicated this by a $\sim$ sign.

Driver	New type name	Cells per hemisphere	Cells per column
87G07	P-F3N2d	16	2
85H06	P-F1N3	32	4
60D05	E-PG	24	3
SS02191	P-EG	16	2
67D09	P-F3N2v	24	3
37F06	P-EN1	24	3
VT008135	P-EN1	24	3
SS02232	P-EN2	16	2
84H05	PF-LCre	7	1
55G08	$\Delta$7	16
47G08	IS-P	12
49H05	IMPL-F	4
75H04	L-Ei	$\sim$30
32A11	L-Em	$\sim$24
18A05	GB-Eo	2
17H12	AMPG-E	$\sim$12
12C11	EFBG	9
72H06	SMPL-L	$\sim$12
SS02615	SMPL-L2	$\sim$12
26B07	WL-L	2
31A11	L-Cre	2
SS00153	S-P	2
76E11	GL-N1	2
SS04448	GL-N1	2
SS04420	CreL-N2	2
12G04	L-N3	2