Subject: pbIB6, pbIB9 and zenMAS1 Personal communication from: Thom Kaufman, Indiana University To: Bloomington Drosophila Stock Center Subject: pbIB6, pbIB9 and zenMAS1 Dated: 1 April 1987 Background: Allele information from the Bloomington stock list. Information communicated: pbIB6, also known as pb41 pbIB9, also known as pb42 zenMAS1, also known as zen8 These are EMS-induced alleles made by Mark Seeger.