The following information accompanied stocks sent by Michael Welte from Eric Wieschaus' lab at Princeton (January 2000). Marya Postner screened for EMS-induced lethals that fall between the proximal breakpoints of Df(2L)S2 and Df(2L)S3. The mutations were induced in a cn1 bw1 sp1 chromosome. New locus name Original complementation group name Allele l(2)22Af T M260A lea lea M8 RFeSP H M73 l(2)22Ag A M1 l(2)22Ah B M11 l(2)22Ai D M16 l(2)22Aj E M105 l(2)04111 F M33 cpb J M143 l(2)22Ak G M101 Further deficiency mapping indicated the following order: distal (l(2)22Af) (lea) (RFeSP) (l(2)22Ag, l(2)22Ah, l(2)22Ai, l(2)22Aj, l(2)04111, cpb) (l(2)22Ak) proximal