FIG. 15 in New genera and species from the Belly River Series (mid-Cretaceous)

FIG. 15. --Posterior crest of Monoclonius dawsoni, viewed from beneath; slightly less than one-eighth natural size. The numbers give the thickness of the bone, in centimetres, at the points indicated. P, parietal S, squaniosal F, fontanelle.Published as part of Lambe L. M., 1902, New genera and species from the Belly River Series (mid-Cretaceous), pp. 25-81 in Geological Survey of Canada Contributions to Canadian Palaeontology 3 on page 59, DOI: 10.5281/zenodo.323376