Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean: Vol. 2, Pt. 2

GEOLOGY-FOSSILS.
P1., Fig. 10.-Cardium multistriatum. Shumard. Exploration of the Red river of Louisiana by Marcy and McClellan, 203; P1. 4, Fig. 2. Shell subrotund, inflated, length and
breadth nearly equal, truncated positively, basal and anterior margin rounded; concentric strie
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.
P1., Fig. 11 and Fig. 14. Fig. 11.-Pygidium of a Phllpsia. A new species, from the
limestone near Westport, where it occurs with Terebrattula 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.
P1., Fig. 12.-A piece of limestone from Indian creek, the surface being covered with
pieces of stems of a species of encrinites and some bryozoa.
P1., Fig. 13.-Impression of an ammonites found with Gryphm Pitcheri on Grand river.
JAMES SCHIEL, M. D.,
Surgeon and Geologist for Exploration8s for Central Pacific Railroad.
Names and Localities of various Rocks collected by DR. SC11IEL during the Explorations of 1853.
Limestone, fossiliferous; near Westport.
Limestone; near Willow creek.
Limestone; west from Fort Atkinson.
Limestone; west from Fort Atkinson.
Limestone, upper; b)luff near Bent's Fort.
Limestone, lower; bluff near Bent's Fort.
Sandstone; Apishpa river.
Limestone, upper; near the Rocky mountains.
Limestone, lower; near the Rocky mountains.
Granite; Huerfano butte.
Limestone; Huerfano canion.
White silicate; Rocky mountains.
Porphyry; Sangre de Cristo Pass.
Porphyry; Sangre de Cristo Pass.
Gneiss; Sangre de Cristo Pass.
Gneiss; Sangre de Cristo Pass.
Mica slate; Roubideau's Pass, Sierra Blanca.
Quartz rock; Roubideau's Pass, Sierra Blanca.
Quartz rock; Roubideau's Pass, Sierra Blanca.
Porphyry; Sahwatch butte; Coochetopa Pass valley.
Trapp-porphyry; Sahwatch valley.
Trapp-porphyry; Sahwatch valley.
Granite; Sahwatch valley.
Porphyry; Coochetopa Pass.
Trapp-porphyry; Coochetopa Creek valley.
Black rock; Coochetopa Creek valley.
Granite; Grand river.
Silicious shale; Grand river.
Mica slate; Grand river.
Sandstone; Grand river.
Fibrous gypsum; Elk mountains.
Silicious shale, with agate.
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