530 THE JOURNAL OF GEOLOGY.. 
or four to thirty cells high with an average of about twelve or 
fifteen. The rays in radial section show the walls to be thickened 
in an irregular manner as represented in Fig. 1. They are 
provided with a single row of small oblong pits, about two in the 
width of each wood cell. The wood cells are broad in the sum- 
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mer wood and provided with a single row of contiguous circular 
pores with a round or oblong inner pore. | 
This specimen is without doubt the same as that determined 
by Professor F. H. Herrick who has so accurately described it 
that it is unnecessary to go further into its description. 
«Nat’l Geogr. Mag. Vol. IV. 1892, pp. 75-78. Figs. 4, 5. 
