14/18 Detail of skin of under side of body. _After Osborn_] [Illustration: Fig. 32 .-- Skin impression from the tail of a _Trachodon_. The impressions appear to have been left by horny scutes or scales, not overlapping like the scales on the body of most modern reptiles, but more like the scutes on the head of a lizard.] [Illustration: Fig. |