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Keywords from Image Description:
Origin of Vertebrates Fig . Fig Facsimile of Woodward's Drawing of Specimen of Cephalaspis Murchisoni as seen from the side The Cephalic Shield is on the Right and Caudal to it the Pleural Fringes are well shown Another Specimen of Cephalaspis Murchisoni taken from the same block of Stone showing the Dermoseptal Skeleton and in