PLATE XLIX. 



FAGB. 



Fig. 1. Hymenophyllites Ballantini, And 422 



I^atural size. 



Fig. 2. Abch^optbris STKicTA, And 418 



Natural size. 

 3a. Leaves enlarged to show nervation. 



Fig. 3. Abteeophyllitbs BEECTiFOLins, And 425 



Natural size. 



