0000950129-02-001637 8-K 2 20020326 4 7 20020329 LEXICON GENETICS INC/TX 0001062822 2835 760474169 1231 8-K 34 000-30111 02594132 4000 RESEARCH FOREST DRIVE 281-364-0100 THE WOODLANDS TX 77381 2813640100 4000 RESEARCH FOREST DR THE WOODLANDS TX 77381 8-K 1 h95602e8-k.txt LEXICON GENETICS INCORPORATED - MARCH 26, 2002 EX-16.1 3 h95602ex16-1.txt LETTER FROM ARTHUR ANDERSEN TO SEC