PLATE LIV. 



Fig. 1. Ctenophyllum Emmonsi. Page 113. Emmons, "Am. Geo].," fig. 860. 

 Fig. 2. Ctenophyllum lineare. Page 113. Emmons, "Am. Geol.," fig. 87. 

 Fig. 3. Pseudodana'opsis reticulata. Page 116. Emmons, "Am. Geol.," fig. 90. 

 Figs. 4,5. Ctenophyllum Braunianum var. /?. Page 112. Emmons, "Am." Geol. 



Fig. 4. Portion of plant of normal size. Emmons, "Am. Geol.," fig. 85. 



Fig. 5. Portion of a plant of the smaller kind. Emmons, "Am. Geol.," fig. 86. 

 Figs. 6, 7. Ctenophyllum robustum. Page 116. Emmons, "Am. Geol." 



Fig. 6. Summit of leaf. Emmons, "Am. Geol.," fig. 92. 



Fig. 7. Middle portion of a leaf. Emmons, "Am. Geol.," fig. 91. 

 Fig. 8. Pseudodanceopsis nervosa. Page 115. Emmons, "Am. Geol.," fig. 89. 

 Fig. 9. Asplenites Iibsserti. Page 104. Emmons, "Am. Geol.," plate 4, fig. 3. 

 Fig. 10. ZamiostrobuB spec, f Page 117. Emmons, "Am. Geol.," fig. 93. 



