FOSSILIZED WINGS 



Fig. 30. — Wings of a Dragon-fiy preserved in the ancient lime 

 stone of the Carboniferous period or Coal-bearing rocks. 



preserved in fine sandy limestone of Oolitic age. 

 Here (Fig. 32) we have a jelly-fish preserved ; 



47 



Fig. 81. — l^terodactyle skeleton preserved in J.ithographic 

 limestone, showing the impression of the membrane of the 



k wings. 



