Geol. Mag. 1922. 



Plate IV. 



i A \i:^.T^ 



"-^^--^'% ^^^-^^y^^ 





*%X''^'i 



■"V:J 





i-t * 





G. S. Sweetino, photomic. 



DoLOMiTiZED Limestones, Deebyshiee. 



To face V. 63.] 



