85 



PLATES XLIL and XLIII. 



Rhacophyllum (?) 



These are two renderings of one specimen, one by 

 Johnson and the other by Prior, slightly reduced in 

 Plate XLIII. They differ so materially that, in the 

 absence of the specimen itself, it has been thought best 

 to autotype both. Judging by the almost perfect 

 and unfailing accuracy in essentials which characterizes 

 Prior's drawings in general, we prefer to base our 

 remarks on Plate XLIII. The portion of Calamite stem 

 which is omitted in the other Plate need not be enlarged 

 upon, unless, as is possible, it formed the surface on 

 which the supposed parasitic Rhacophyllum grew. It is 

 with the utmost diffidence that any name is assigned to 

 the plant-remains here represented, chiefly to call atten- 

 tion to the likeness which the upper left-hand portion 

 at least bears to Rhacophyllum flabellatum of Sternberg. 



