PLATE XVII. 



Fig. 1. Sphenopteris Wittiamsoni, Brongniart. Page 155. [V. 8250.] 



Fig. 2. Sphenopteris Wittiamsoni, Brongn. P. 154. [39,281.] 



Fig. 3. Coniopteris hymenopkylloides (Brongn.). P. 108. [40,467.] 



Figs. 4 and 5. Coniopteris arguta (Liudley & Hutton). P. 117. 



[39,232.] 



Figs. 6 and 7. Coniopteris hymenopkylloides (Brongn.). P. 107. 



[52,595.] 



Fig. 8. Coniopteris kymenophylloides (Brongn.). P. 107. [39,266.] 



