poleon, Denon was maintained by Louis XVIII in his place; but on the return of the ex-Emperor from Elba, he could not resist the ties of old affection and gratitude, and he of course lost his place on the second return of the king. He since lived in retirement, enjoying the otium cum dignitate in its fullest extent. His cabinet, open several days in the week, was the resort of strangers from all parts of the world; and his kindness and affability rendered him the most interesting object of his museum. For the last seven years he had employed the leisure moments stolen from the offices of friendship, in the composition of a work on the History of Art', with about 300 to 400 plates from his own cabinet. The subscription was closed in a short period after his intention was known. His loss will be very severely felt. He was the protector of rising merit, which he aided both by precept and example. Many of the first French artists owe their advancement in life to his interest and influence. 30.-ROGATION SUNDAY. This day takes its name from the Latin term rogare, to ask; because, on the three subsequent days, supplications were appointed by Mamertus, Bishop of Vienna, in the year 469, to be offered up with fasting to God, to avert some particular calamities that threatened his diocese. *APRIL 1575.-TASSO'S TRIBUTE TO THE lip, Written in honour of Eleonora Sanvitali, a young lady of great beauty and grace of manners; and to these she united a noble disposition and taste for the fine arts. Eleonora was remarkable for the exquisite beauty of her under lip, a circumstance which gave rise to the lines commencing Quel labro, che le rose han colorito. That rosy lip, that rosy lip, So soft and swelling, surely is But, ah, let none come nigh! for there, Admired, and sighing sought the snare; Of Tantalus,-you kiss, you part, But Love stays with you-Love that shoots J. H. WIFFEN'. Astronomical Occurrences In APRIL 1826. Now Nature, soothed, assumes her wonted charms, Gilds with effulgence sweet the azure vault, And paints the landscape with a thousand flowers. PENNIE'S Royal Minstrel. SOLAR PHENOMENA. THE Sun enters Taurus at 43 m. after 3 in the atternoon of the 20th of this month; and on every 5th day of the same period he rises and sets as follows. The times for the intermediate days must be found as already directed. TABLE Of the Sun's Rising and Setting for every fifth Day. April 1st, Sun rises 34 m. after 5. Sets 26 m. after 6 6th, ........ 24 36 Life of Tasso,' prefixed to Mr. Wiffen's Translation of the Jerusalem Delivered,' p. Ix. Equation of Time. When it is required to convert the time shown by a good sun dial to that which should be indicated by a well regulated clock at the same moment, the corrections must be employed as directed in the following " TABLE Of the Equation of Time for every fifth Day. 6th, m. S. Saturday, April 1st, to the time by the dial add 4 3 2 23 1 8 .... 10 1 19 Sunday, ......16th, from the time by the dial subt. 0 Friday, 21st, Wednesday,...26th, LUNAR PHENOMENA. Phases of the Moon. New Moon...... 7th day, at 26 m. after 9 in the morning First Quarter 15th Full Moon ......22d Last Quarter... 29th ......... 3 Moon's Passage over the Meridian. Such as desire to observe the Moon pass the meridian during this month, will find the following times the most suitable for that purpose, should the weather prove favourable, viz. April 14th, at 33 m. after 5 in the evening Time of High Water at London for every fifth Day. The following are the times of high water at London Bridge. For the intermediate days the hour must be found by proportion; and for other places, as directed at p. 21 of this volume. The tide will be very high about the 24th of this month; and should it be increased by the wind, considerable damage may be apprehended in some places. PHENOMENA PLANETARUM. Phases of Venus. This beautiful planet has passed her full, and is again declining, though very slowly; and the illuminated parts of her disk bear the following proportion to each other, and to the whole: April 1st, {luminated part 11 946 Dark part...... 0154 It may be necessary to caution some of our young readers against concluding, that this planet, like the Moon, is the brightest when her whole disk is illuminated. As both her distance from the earth, and her position with regard to that body and the Sun, vary so much, her greatest brilliancy depends upon these as well as the breadth of the illuminated part; and, in fact, takes place when this is a little more than a fourth of the whole diameter. For the solution of this problem we must refer to T. T. for 1819, p. 51. Eclipses of Jupiter's Satellites. There will be twenty-five eclipses of the first and second of these small bodies this month, but only the following will be visible at the Royal Observatory; for which the epochs are recorded in mean time. A slight reduction will therefore be necessary for other places which differ much in longitude from that for which the times are specified. Emersions. First Satellite, 7th day, at 10 m. 44 s. after 2 in the morning 8 in in the evening 10 at night 0 in the morning 1 Form of Saturn's Ring. This ring sometimes forms, to all appearance, an oval belt encompassing that planet, while at others it looks merely like a line across the surface. In the former state an opening often appears towards the extremities, between the ring and the planet: the transverse aris of the ring is then considered as unity, and the conjugate axis is calculated in parts of that unit. When + is prefixed to this result, it implies that the north side of the ring is visible; and when is annexed, the south side is seen. Conjunction of the Moon with the Planets and Stars. April 1st, with ẞ in Capricorn at 6 in the morning 9th, 10th, 12th, 28th, 1 Mercury Saturn ........ B in Capricon 1 1 in the afternoon ......... Mercury will attain his greatest elongation on the 4th of this mouth, be stationary on the 13th, and in his inferior conjunction at 15 m. after 2 in the afternoon of the 24th. Georgium Sidus will be in quadrature at noon of the 14th, and stationary on the 28th. METEOROLOGICAL PHENOMENA. [Concluded from p. 81.] Such remarkable optical deceptions occur under particular states of the atmosphere, on the verge of the horizon, and particularly in warm climates, on extensive plains, &c. Objects seen often appear with extraordinary elevation, double or inverted. 1 This singular phenomenon is obviously caused by |