Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 / Resumed and Completed, by the Discovery of its Origin in Itasca Lake, in 1832

by Henry Rowe Schoolcraft

V.
ZOOLOGY.

1. Limits of the Range of the Cervus Sylvestris in the Northwestern parts of the United States. By Henry R. Schoolcraft. (Northwest Journal.)

2. Description of the Fringilia Vespertina, discovered by Mr. Schoolcraft in the Northwest. By William Cooper. (Annals of the New York Lyceum of Natural History.)

3. Conchology.—List of Shells collected by Mr. Schoolcraft, in the Western and Northwestern Territory. By William Cooper.

HELIX.

1. Helix albolabris, Say. Near Lake Michigan.

2. Helix alternata, Say. Banks of the Wabash, near and above the Tippecanoe. Mr. Say remarks, that these two species, so common in the Atlantic States, were not met with in Major Long's second expedition, until their arrival in the secondary country at the eastern extremity of Lake Superior.

PLANORBIS.

3. Planorbis campanulatus, Say. Itasca (or La Biche) Lake, the source of the Mississippi.

4. Planorbis trivolvis, Say. Lake Michigan. These two species were also observed by Mr. Say, as far east as the Falls of Niagara.