0000950129-03-005309 424B3 1 20031103 LEXICON GENETICS INC/TX 0001062822 2835 760474169 DE 1231 424B3 33 333-108855 03973213 8800 TECHNOLOGY FOREST PLACE THE WOODLANDS TX 77381 2818633000 8800 TECHNOLOGY FOREST PLACE THE WOODLANDS TX 77381 424B3 1 h09910b3e424b3.txt LEXICON GENETICS INC. - REG. NO. 333-108855