460 MIlsrmG INDUSTRY. 



From Water Tank, two miles east of Coalville. 



No. 15. Oabdium Like C. curtum^ and may be the same. 



No. 16. Mactra % Same as No. 6. 



No. 17. Anchura Same as No. 10. 



From Fcho Canon. 



No. 18. Inoceramus Like No. 2, but may be different. 



No. 19. Carditjm curtum'? 



From Fast Canon. 



No. 20. Mactra A cast, with much the form of No. 6. 



No. 21. Mactra? Same as No. 5. 



No. 22. Mactra Apparently the same as Nos. 6 and 16. 



No. 23. SCROBICULARIA ? 



No. 24. Tellina? 



No. 25. Abra? 



No. 26. Oardium Appears to be a young C. curtum. 



No. 27. OUCULLJEA. 



From Grass Creek, above coal. 



No. 28. OsTREA A very narrow, straight, elongated species. 



No. 29. C ARDiUM CURTUM, M. & H 1 See Nos. 4, 15, and 17. 



No. 30. Mactra ? Same as 16 and 21. 



No. 31. SCROBICULARIA % Very similar to 23. 



Tie Siding. 



No. 32. OsTREA Same as No. 28, apparently. 



No. 33. OsTREA Subclrcular. 



No. 34. OoRBULA Has the form of C. pyriformis. 



No. 35. Mactra % A reg-ularly striated species, like No. 5, but 



shorter. 



Clarence King, Esq. : 



Dear Sir : I have examined, with as much care as time has permitted, the 

 fossils collected by you and your assistants from the whitish coal-bearing sand- 

 stone at the several localities in Utah, mentioned above, and respectfully sub- 

 mit the following note on the same : 



In the first place it is proper to remark that they are nearly all merely 



