Rio Grande Valley.—Southwestern Texas below the junction of the Rio Pecos with the Rio Grande.
South Atlantic States.—North Carolina, South Carolina, Georgia, and Northern and Eastern Florida.
Southeastern Rocky Mountain Slope.—Southeastern New Mexico, Central and Western Texas.
South Pacific Coast Region.—Those portions of California west of the Sierra Nevadas and south of the 37th parallel of latitude.
Southern Plateau District.—Western New Mexico, Arizona, and Southeastern California.
Upper Lake Region.—Lakes Superior, Huron, and Michigan with adjacent country.
Upper Mississippi Valley.—The belt of country, about 200 miles broad, from Saint Paul to Cairo.
Western Gulf States.—Western Louisiana, Western Arkansas, Eastern Texas, Southern Missouri, and southeastern portion of Indian Territory.
LIST OF CONTRIBUTORS.
Adams, John, Memphis, Tenn., care observer sergeant.