{ PEF 2G MEMO FROM: BARBARA E. WRIGHT ZL (617)742-6754 ww Departmeht Developmental Biology Boston Biomedical Research Institute 20 Staniford Street Boston MA 02114 Deer dosh : Ure OH~k dete gh rel Lath qe VeS Dow Se gels art Tha CK! me Wwe Cowl Sed _™ 308 Then, un th Won aS Cnt —_ Thea Miaete vm 4 LO-1S7 min Chow CR DATE: 23 ms Yo