genome baylisascaris trackDb baylisascaris/trackDb.txt description Baylisascaris germline v1 twoBitPath baylisascaris/bsc.2bit organism Baylisascaris schroederi defaultPos GWHBAVG00000001:1..1000000 scientificName B. schroederi htmlPath baylisascaris/description.html groups baylisascaris/groups.txt