THE GREEN EIVER COAL BASIK 



459 



LISTS OP FOSSILS PEOM UTAH, WITH SOME NOTES. 



BY F. B. MEEK 



Specimens from Chalk CreeTc, two miles above Upton. 



No. 1. OSTREA, (undetermined species.) 



No. 2. Inocbramus A gibbous equivalve species, higher than 



long, with anterior side very short and 

 vertically truncated ; and hinge line short 

 and ranging at right angles to vertical 

 axis of valves. 



No. 3. iNOCERAirus A more oblique species. Same found by Cap- 

 tain Simpson on Sulphur Creek. 



No. 4. Cardium cpRTUM, M. & H The original type was found by Captain 



Eeynolds's expedition on Gros Ventres 

 Eiver. It was also found by Captain Simp- 

 son's expedition on Bear Eiver, Utah. 



No. 5. Mactra, (Spisula?) Abeautiful species, apparently of this genus, 



with regular concentric striae and furrows. 



No. 6. Mactra, (Spisula ?) Appears smooth, but may be the last with 



markiugs gone. 



From Chalk Creek. — B, above coal. 



No. 7. Cardixtm curtum, M. & H (Same as No. 4.) 



No. 8. Mactra, (Spisula) Like No. 5, but more finely striated and com- 

 pressed. 

 No. 9. One or two species of more orbicular, compressed bivalves. 

 No. 10. Anchura ? 



No. 11. LuNATiA ? Perhaps two species. 



No. 12. Tellina? 



Coalville. 



No. 13. OsTREA Appears same as No. 1, and like 0. appressa, 



Gabb. 

 No. 14. CoRBULA The cast has the form of C. pyriformis, Meek. 



