1862.] 



HUXLEY CARBONIFEROUS LABYRINTHODONT. 



59 



Fig. 1. — Palatine aspect of the skull of Anthracosaurus Russelli. 

 (One-third of the natural size.) 



a. Anterior palatine foramen. 



h. Posterior nares. 



c. Suprateniporal foramen. 



d. Place of attachment of left vomerine tusk. 



e. Vomerine tooth. 



/. Palatine teeth and alveolar plate. 



