In the same period, dinosaurs first appeared in popular literature, with a passing mention of an Owen-style "Megalosaurus" in Charles Dickens's "Bleak House" (1852–1853). However, depictions of dinosaurs were rare in the 19th century, possibly due to incomplete knowledge. Despite the well-publicized "Bone Wars" of the late 19th century between the American palaeontologists Edward Drinker Cope and Othniel Charles Marsh, dinosaurs were not yet ingrained in culture. Marsh, although a pioneer of skeletal reconstructions, did not support putting mounted skeletons on display, and derided the Crystal Palace sculptures.