IZ Hifiory of AJlronomy for the Year i^oo. 



Alia, from nine in the morning till one o'clock ; it will be 

 total, with a (hort duration in the (liadow, to the fouthern 

 part of Europe : there is reafon to think that fome voyages 

 will be undertaken on this occafion^ iincc it will be an un- 

 common opportunity for determining the difTercnces of the 

 diameters of the fun and moon, the irradiation and inflection. 

 Thefc diagrams of eclipfes have hitherto appeared in the 

 F.phemerides of Paris and in thofe of Bologna; but thofe in 

 the Ephemeridcs of Paris terminated with j 800, and in thofe 

 of Bologna, which go as far as 1810, there is only one diagram 

 for 1804; four are wanting, viz. of 1802, 1803^:1806, and 

 1807. Duvaucel purpofes to conftru6t them, and particularly 

 the lad two. 



Cagnoli, an aftronomer of Verona and profeflbr at Modena, 

 has been left iu peace during the invafion of the Cifalpine 

 republic by the Aullrians; and, by means of the peniion 

 afligned to him by Bonaparte, he has publifhed the eighth 

 volume of the Memoirs of the Italian Society, in which he 

 has given Ibme memoirs on aftronomy. 



Bode, in the Ephemerides of Berlin fori 803, has publiflied 

 a great many memoirs, obfervations, and calculations, by him- 

 felf and by Wurm, Mechain, Olbers, Cafella, Koch, Koehler, 

 Triefnecker, Burg, Schroeter, Klugel, Scyffert, Hennert, 

 Schubert, Derfiiinger, Hahn, Kautfch, Fritfch, and Schau- 

 bach. 



In the Connoijfance des Tejnps for the year ii, which has 

 juft appeared, there are a multitude of obfervations and cal- 

 culations by Laplace, Delambre, Vidal, Mellier, Lachapelle, 

 Sorlin, Mougin, Quenot, Burckhardt, Thulis, Poitevin, Ber- 

 iiier, and myfelf, and a catalogue of 2300 new ftars by Le 

 Erangais-Lalande and Vidal. 



This volume confifis of more than 500 pages, agreeably to 

 the decifion of the Board of Longitude, which I requelted 

 feveral years ago, and yet I have Hill in my hands materials 

 which I was not able to emplov. 



- I Hiall embrace this opportunity to inform thofe who have 

 the Connoijfance des Temps for the year 9, vviUiout the addi- 

 tions, that they have been publiflicd feparatclv under the title 

 x>( Melanges d'yIjIro7i^mie, and that with thf.^ firlt part they 



form 



