CAMSM B.54485, holotype, rostrum fragment of Ornithostoma sedgwicki, in posterior, lateral, anterior, and ventral views. Owen's original, inccurate caption: Fig. 4. Side view of part of the proximal end of the metacarpal of the 5th or wing-finger. Fig. 5. Back (?) view of part of the proximal end of the metacarpal of the 5th or wing-finger.