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ASTRONOMICAL OBSERVATORIES .

Noiithfield, Minnesota .

Carleton College Astronomical Observatory .

Longitude from Washington, l h 4 m 23.85 s W.

Latitude , 44° 27' 40.77" N.

Authority for longitude: longitude depends on exchange of telegraphicsignals between Coast Survey office at Saint Paul and directorat Northfield. Authority for latitude:, zenith telescope obser-vations of 40 pairs of stars reduced to apparent places fromSalford ’s catalogue.

Director: William W. Payne.

Completed in 1878. Attached to Carleton College , central building,6 meters long, surmounted by a dome, with two wings, one used formeridian instruments, the other for the library.

Instruments :

(b ) Meridian transit instruments: Makers, Fauth & Co.; aperture, 3inches; magnifying powers, 60, 70, and 80 diameters.

(e) Equatorial instruments: Makers, A. Clark & Sons ; aperture ofobjective, 8£ inches; magnifying powers of eye pieces, 50,100,200,400,800. (o') Portable equatorial: maker, John Byrne, of New York;aperture of objective, 4.3 inches.

(/) Chronograph: One, made by A. Clark & Sons.

(g) Cloclcs: One mean time; makers, E. Howard & Co., No. 196;one sidereal; makers, E. Howard & Co., No. 195.

(h) Chronometer: Sidereal ; makers, Bond & Sons, No. 374.

( i ) Miscellaneous: The observatory has been favored by the loan ofa good zenith telescope for several months from Lieut , Edward Ma-guire, chief engineer in the department, with headquarters at SaintPaul . The large equatorial is provided with micrometer, with a fullbattery of eye-pieces.

Omaha, Nebraska .

Creighton College Observatory.

Longitude from Washington,-.

Latitude, -.

Director: -.

(Near) Oxford, Mississippi .

Observatory of the University of Mississippi .

Longitude from Washington, 49 m 55.03 s W.

Latitude , 34° 22' 12.64" N.

Authority for longitude and latitude, It. B. Fulton.Director : K. B. Fulton.

The observatory was erected in 1876.