Plate 1. 



Figure 1. — An undetermined plant. 



Iri. — Imbricate scales of cone (?), enlartjed. 



\b. — Imbricate scales (worn) showing seeds (?). 



Ic. — Scars, apparently attachment of seeds. 



1(7. — Outlines of scales and seeds (?) on worn surface. 

 Figure 2.— Pattellina texana (Roemer). (Cojiy of Roemer's liuure of 

 Orbitulites texana.) 



2'^f. — Cross-section, showing irregular structure of interior. 



2b. — Portion of Ixise, showing irregular granular structure- 



2c,. — Pores of upper surfiice, greatly magnified. 



2d. — Labyrinthoifl pores of anotlier part of upper siu'face, mag- 

 nified. 

 Figure 3. — Cypridea texana sp. nov. 



ort. — Ordinary aspect of shell. 



36. — Ventral border of union of valves. 

 All magnified 100 times. 

 Figure 4, 4«, 4h. — Serpula paluxiensis sp. nov. 

 Figure 5. — Anomia texana sp. nov. 

 Figure G.^Ostrea franklini ragsdalei var. nov. 

 Figures 7, 8. — Leda harveyi sp. nov. ]\Iagnified 20 diameters. 

 FiGUKEs 9, 10 .— Chione (?) decepta sp. nov. 



