genome cew1_BE trackDb filesCEW1_BE/trackDb.txt description filesCEW1_BE/description.html twoBitPath filesCEW1_BE/CEW1.2bit organism CEW1 defaultPos chrI:1..100000 scientificName Oscheius Tipulae htmlPath filesCEW1_BE/description.html groups filesCEW1_BE/groups.txt