In St. Genevieve and Cape Girardeau Counties, Mo., in the Niagara limestone is found a handsome marble of a variegated liver color. Near Sheppard Landing it is 80 feet thick, and at Janis Mill, in St. Genevieve County, Dr. Shumard speaks of beds of fine texture and various shades of flesh, yellow, green, pink, purple, and chocolate, all handsomely blended.
A New Catalogue of Valuable Papers
Contained in Scientific American Supplement during the past ten years, sent free of charge to any address. MUNN & CO., 361 Broadway, New York.
THE SCIENTIFIC AMERICAN
$2.50 a Year. Single Copies, 25 cts.
This is a Special Edition of the Scientific American, issued monthly—on the first day of the month. Each number contains about forty large quarto pages, equal to about two hundred ordinary book pages, forming, practically, a large and splendid Magazine of Architecture, richly adorned with elegant plates in colors and with fine engravings, illustrating the most interesting examples of modern Architectural Construction and allied subjects.