Keywords: Dacentrurus armatus.jpg Omosaurus armatus Fig 1 Thenal or palmar surface of the left humerus Fig 2 Anconal surface of the same Fig 3 Proximal end of the same Fig 4 Distal end of the same Fig 5 Transverse section of narrowest part of the shaft of the same Fig 6 Thenal surface of the left humerus of a Monitor niloticus Fig 7 Anconal surface of the left radius Fig 8 Thenal surface of the same Fig 9 Proximal end of the same Fig 10 Distal end of the same Fig 11 Transverse section of narrowest part of the shaft of the same Fig 12 Thenal surface and proximal end of the left radius of a Monitor niloticus Fig 13 Radial surface of the left ulna Fig 14 Ulnar surface of the same Fig 15 Radial surface of the left ulna of a Monitor niloticus Figs 1-5 7-11 13 and 14 are figured one fourth the natural size from the Kimmeridge Clay at Swindon Wilts In the British Museum Figs 6 12 15 are of the natural size http //www lib utexas edu/books/britfossils/html/txu-oclc-13370987-2-dinosauria-plate70 php s 1870 C L Griesbach PD-old Dacentrurus fossils |