FORM OF SATURN'S RING.

August 29th. Major axis of the ring.... 36′′.62

The elevation of the earth is 8° 12'.2, and the sun 9o 29'.9, above the northern plane of the ring, as seen from Saturn.

Uranus.

4th day, semi-diameter 1".96. 17 d. 13 h. 50 m. in opposition to the sun.

SPHERE OF THE FIXED STARS.

Positions of the Principal Constellations and Stars on the 1st of the Month, at 10 Hours in the Evening.

Cepheus N. E., altitude 60°. Cassiopeia, altitude 45°. Camelopardalis N. by E. E., altitude 30°. Capella N. N. E., altitude 10°. Algenib N. E. by N. altitude 21°. Algol N. E., altitude 15°. Musca N. E. by E., altitude 7°. Triangula E. N. E. & N., altitude 15°. Andromeda E. N. E., altitude 30°. Arietis, altitude 8°. Lacerta E. by N., altitude 55°. La Gloire de Frederic, altitude 45°. Pisces E.

Cerberus S. S. W., altitude 60°. Taurus Poniatowski, S. S. W. W., altitude 40°. Scutum Sobieski S. by W., altitude 30°. Lyra S. S. W., altitude 76°. Ophiuchus S. W. by S., altitude 40°. Hercules S. W. by S., altitude 60°. Serpens W. S. W., altitude 35°. Corona Borealis W. by S., altitude 50°. 36°.

Arcturus W., altitude

Marcab E. by S. 4 S., altitude 30°. Deneb, altitude 73°. Aquarii S. E. E., altitude 25°. Equuleus

S. E., altitude 35°. Delphinus S. E. by S., altitude 48°. Sagitta S. S. E,, altitude 55°. Vulpecula et Anser, altitude 60°. Capricornus S. S. E. E., altitude 15°. Aquila et Antinöus S. by E., altitude 40°. Sagittarius S.

Caput Draconis W. N. W., altitude 76°. Coma Berenices, altitude 15°. Canes Venatici N. W. by W., altitude 30°. Cor Caroli N. W. by W., altitude 28°. Ursa Major N. W. by N., altitude 30°. Leo Minor, altitude 5°. Ursa Minor N. N. W., altitude 56°. Lynx N., altitude 15°.

TELESCOPIC OBJECTS.

SATURN AND HIS SATELLITES.

Having in the two former volumes detailed very minutely the telescopic appearance of Saturn, when describing the periodical disappearance of its ring, (See T. T. September 1832, also April and July 1833, and in other parts of both volumes), there is little to add, excepting that in both the intervals between 29th September and 3d December, and also between 28th April and 10th June, the disappearance of the ring was complete, as predicted; the planet at those intervals appeared (as in Fig. 3, Plate) with only a faint line across the disc, which was the shadow of the ring. In the same engraving (Fig. 1 and 2) are also telescopic views of Saturn, subsequent to, or preceding the period of the disappearance of the ring. It is probable that Fig. 2. nearly resembles the appearance which Messier observed in 1774. He saw both the ansæ completely detached