PLATE IV. 

 FIG. 1. Zamites Buchianus (Ett.). Young frond. Page 84. [V. 21256.] 



FIG. 2. Portion of a large frond, showing the position of the pinnae in 

 the rachis. P. 84. [V. 2125c.] 



FIG. 3. Terminal portion of a very small frond. P. 84. [V. 2925.] 



FIGS. 4 and 5. Portions of a large frond, showing manner of attach- 

 ment of the pinnae. P. 84. [V. 2123a.] 



