"Vertebral column and pelvic girdle of bull-frog. t.p., Transvers processes of sacral vertebra; Il., ilium; U., urostyle; Fe., femur; Isch., ischiac region." -Thomson, 1916

Bullfrog Vertebrae

"Vertebral column and pelvic girdle of bull-frog. t.p., Transvers processes of sacral vertebra; Il.,…