Geol. Mag. 1906. 



Dec. V, Vol. Ill, PI. \n. 



( ™ IIP"' 



>r. 





■ ^^HT'. -^^ 





' 



Skulls of two species of a Horned Tortoise {Miohrin'cr). 



A. Miolania argcnthia, from the supposed Cretaceous of Chubut, Patagoiii.i. 



B. Miolaum O'wcni, from the Pleistocene of Queensland, Australia. 



