Bipedal Apatosaurus. Sepia ink, sepia powder, coloured pencils, and gouache on recycled paper 278 x 190mm. Inspired by Mike Taylor's article on the probability of bipedal sauropods and by Scott Hartman's accompanying skeletal on the Walking with Dinosaurs blog. This drawing is another of those curious things which should serve more as a study, but which I nevertheless spent too long working on and eventually 'lost my way' with. One of the perils of being obliged to work on something at…