FIu.'2l. —A, front \' ie \\' of right femur of Trachodon selwyni, from Red Deer river B, front _ view of _ right femnr of Iguanodon 1mantelli, from the \Veahlen of England One-sixteenth naturalsize. ¡ahead ggreat trochantel' m, third trochanter; c. inner condyle. e ' ~ in New genera and species from the Belly River Series (mid-Cretaceous)

FIu.'2l. —A, front \' ie \\' of right femur of Trachodon selwyni, from Red Deer river B, front _ view of _ right femnr of Iguanodon 1mantelli, from the \Veahlen of England One-sixteenth naturalsize. ¡ahead ggreat trochantel' m, third trochanter; c. inner condyle. e ' ~