That the Society considers the proposed palæozoic museum not only a valuable acquisition to the scientific treasures and resources of the city

We trust that before this journal concludes its series of articles thus commenced

These latter works also ship about 40,000 tuns red hematite ore yearly.

The consumption of coffee has doubled in most countries during the last twenty years.

"The matter was brought to the notice of Commissioner Duncan, and an investigation ordered, which resulted in the dismissal of Griffin.

The work is an octavo, most beautifully printed on tinted paper, and illustrated by many fine wood engravings.

For mining, wrecking, pumping, drainage, and irrigating machinery, see advertisement of Andrews' Patents in another column.

You will find further information on the subject of transmitting power by compressed air, in our editorial columns of last week.

Carriage Wheels.—James D. Sarven, New Haven, Conn., has petitioned for an extension of the above patent. Day of hearing May 24, 1871.

All communications are treated as confidential.

This invention relates to a new and useful compound for lubricating railroad car axle journals, and other journal bearings.

The metal used was lead and antimony, seven to one.

388.—Iron Rails and Bars, and Modes of Manufacturing the same.—Eldridge Wheeler, Philadelphia, Pa. February 15, 1871.

Full information, as to price of drawings, in each case, may be had by addressing

4,294.—Apparatus for Pitching Barrels.—Louis Schulze, Baltimore, Md. Patent No. 106,964, dated August 30, 1870.

4,699.—Back of a Chair or Sofa.—George Unverzagt, Philadelphia, Pa.

Seeding Machine.—Lewis B. Myers and Henry A. Myers, Elmore, Ohio. Letters Patent No. 16,772, dated March 3, 1857.

The Scientific American will be delivered in every part of the city at $3.50 a year.

Engravings may head advertisements at the same rate per line, by measurement, as the letter-press.

The Circular Stocking Frame, from 2 in. to 5½ in. diameter. These circular frames, with my last improvements, are as near perfection as possible.