Identifier: reportoftheexplor1845eng (find matches)
Title: Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-44
Year: 1845 (1840s)
Authors: Fremont, John Charles 1813-1890 United States Army. Corps of Engineers
Subjects: United States, West -- Description and travel United States Exploring expeditions
Publisher: Washington: Gales and Seaton, 1845
Contributing Library: Church History Library, The Church of Jesus Christ of Latter-day Saints
Digitizing Sponsor: Corporation of the Presiding Bishop, The Church of Jesus Christ of Latter-day Saints

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ex valve accompanies this one, from the same locality.The shell, particularly towards the margin, is very thick and fibrous. Locality, near the eastern slope of the Rocky mountains, in longitude105°, latitude 39°, in light yellowish-gray limestone, probably of the creta-ceous formation. Note.—The specimens figured on plate III, Nos. 1, 2, 4, 5, and 6, havethe appearance of fluviatile shells, and would have been so regarded butfor the occurrence of fig. 3, which appears to be a Nucula, and fig. 7, inthe same association, the sculpturing of which is unlike any of the Melaniaknown to me. It is not improbable, however, that this may prove a fresh-water deposite of vast interest, as it appears to be of great extent, and oc-curs at a great elevation. The researches of Capt. Fremont, in his futureexplorations, will doubtless set this question at rest, by a larger collectionof fossils from the same region. FOSSIL SHELLS OllECT I 0 N Of- THE GEO nAPHC*t SURJEOREGON AND NORTH CALIFORNIA /7.
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311 ( 174 J NOTE CONCERNING THE PLANTS COLLECTED IN THE SECOND EXPEDI-TION OF CAPTAIN FREMONT. When Captain Fremont set out on his second expedition, he was well provided with paper anaother means for making extensive botanical collections; and it was understood that, on his return,we should, conjointly, prepare a full account of his plants, to be appended to his report. About1,400 species were collected, many of them in regions not before explored by any botanist. Inconsequence, however, of the great length of the journey, and the numerous accidents to whichthe party were exposed, but especially owing to the dreadful flood of the Kansas, which deluged theborders of the Missouri and Mississippi rivers, more than half of his specimens were ruined beforehe reached the borders of civilization. Even the portion saved was greatly damaged; so that, inmany instances, it has been extremely difficult to determine the plants. As there was not suffi-cient time before the publication of Captain F

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