Additional Remarks on the Skull of the Baphetes Planiceps , Ow

Since the communication of the notice of the portion of cranium of the Labyrinthodont Reptile above-named (Quarterly Journal of the Geol. Soc. May 1854), I have been favoured with the view of some other fragments of the same cranium, including parts of the interior or under-surface, with several teeth buried in the coal-matrix, and exposed at the fractured surfaces. In the ordinary Labyrinthodont Reptiles of the European Trias, one or two teeth at the fore-part of the jaws have the form and proportions of large canines, the rest are smaller and more slender pointed teeth. One of the present fragments includes the fore-part of the right maxillary and premaxillary bones, and shows a single large laniariform tooth descending from the fore-part of the maxillary into the substance of the subjacent matrix: in front of the tooth is one of the smaller, pointed, serial teeth: of which teeth other fragments show other examples, the base of the teeth being anchylosed to shallow sockets in the bone. So much, therefore, of the dental system of the Baphetes , as is here exhibited, accords in the general characters of shape and relative size, of disposition and mode of fixation to the jaw, with the dentition of the Labyrinthodonts. A transverse section was taken from about the middle of the large tooth, and exhibited the usual labyrinthic structure: rather less complex than in the Labyrinthodon Salamandroides . The character of the exterior surface of the cranium was indicated in the specimen originally submitted to me by