GEOLOGY—FOSSILS. 
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PI. , Fig. 10.— Cardium multistriatum. Shumard. Exploration of the Eed river of Louisi¬ 
ana by Marcy and McClellan, 203; Pl. 4, Fig. 2. Shell subrotund, inflated, length and 
breadth nearly equal, truncated positively, basal and anterior margin rounded ; concentric striae 
on the surface. 
I was given this shell, with the above Inoceramus confertim-annulatus, as coming from the 
Upper Green river. It belongs to the cretaceous period. 
PI. , Fig. 11 and Fig. 14. Fig. 11.— Pygidium of a Phillipsia. A new species, from the 
limestone near Westport, where it occurs with Terebratula subtilita, Productus splendens , and 
apparently two other new species of Productus, of which my specimens are too fragmentary to 
be described. Fig. 14.— Phillipsia from a carboniferous limestone west of Indian creek. 
PI. , Fig. 12.—A piece of limestone from Indian creek, the surface being covered with 
pieces of stems of a species of encrinites and some hryozoa. 
PI. , Fig. 13.—Impression of an ammonites found with Gryphae Pitcheri on Grand river. 
JAMES SCHIEL, M. D., 
Surgeon and Geologist for Explorations for Central Pacific Railroad. 
Names and Localities of various Rocks collected by Dr. Schiel during the Explorations of 1853. 
1. Limestone, fossiliferous; near Westport. 
2. Limestone; near Willow creek. 
3. Limestone; west from Fort Atkinson. 
4. Limestone; west from Fort Atkinson. 
5. Limestone, upper ; bluff near Bent’s Fort. 
6. Limestone, lower ; bluff near Bent’s Fort. 
7. Sandstone; Apishpa river. 
8. Limestone, upper; near the Rocky mountains. 
9. Limestone, lower; near the Rocky mountains. 
10. Granite; Huerfano butte. 
11. Limestone; Huerfano canon. 
12. White silicate; Rocky mountains. 
13. Porphyry; Sangre de Cristo Pass. 
14. Porphyry; Sangre de Cristo Pass. 
15. Gneiss; Sangre de Cristo Pass. 
16. Gneiss; Sangre de Cristo Pass. 
17. Mica slate; Roubideau’s Pass, Sierra Blanca. 
18. Quartz rock; Roubideau’s Pass, Sierra Blanca. 
19. Quartz rock; Roubideau’s Pass, Sierra Blanca. 
20. Porphyry; Sahwatch butte; Coochetopa Pass valley. 
21. Trapp-porphyry; Sahwatch valley. 
22. Trapp-porphyry; Sahwatch valley. 
23. Granite; Sahwatch valley. 
24. Porphyry; Coochetopa Pass. 
25. Trapp-porphyry; Coochetopa Creek valley. 
26. Black rock; Coochetopa Creek valley. 
27. Granite; Grand river. 
28. Silicious shale; Grand river. 
29. Mica slate; Grand river. 
30. Sandstone; Grand river. 
31. Fibrous gypsum; Elk mountains. 
32. Silicious shale, with agate. 
