748 BOSCOVICH. 



Boscovich. Doctas. Non. Semel. Suscepit. Per. Europam. Peregrinationej 



Multurum Amicitias. Gratia. Virorum. Principum. Ubique. Floruit 



Ubique. Animum. Christianarum. Virtutum 



Veraeque. Religionis. Studiosum. Pne-se-tulit 



Ex. Gallia. Italiam. Revisens. Jam. Senex 



Cum. Ibi. In. Elaborandis. Edendisque. Postremis Operibus 



Plurimum. Contendisset. Et. Novis. Inchoandis. Ac. Veteribus. Absolvendis 



Sese Adcingcrct 



In. Diuturnum. Incidit. Morbum. Eoque. Obiit. Mediolani 



Id. Feb. An. MDCCLXXXVII. Natos. Annos LXXV. Menses IX. Dies. II. 



Huic. Optime. Merit'o. De Republica. Civi 



Quod. Fidem. Atque. Operam. Suam. Eidem. Saepe. Probaverit 



In Arduis. Apud. Exteras. Nationes 



Bene. Utiliterque. Expediundis- Negotiis 



Quodque. Sui. Nominis. Celebritate. Novum. Patriae. Decus. Adtulerit. 



Post. Funebrem. Honorem. In. Hoc. Templo. Cum. Sacro. Et Laudatione 



Public*. Delatum 

 Ejusdem. Templi. Curatores 

 Ex. Senatus. Consulto 

 M. P. P. 



Bmrovich. 



Boscovich was considerably above the middle size, 

 of a strong make, and with a long and sallow visage. 

 He possessed the virtues and the failings which spring 

 froma warm temper ; and whilethe formerendeared him 

 t o hisfriends, the latter proved injurious only to himself. 

 His numerous writings are evidently the production 

 of an original and inventive genius, and though com- 

 posed in a diffuse style, and with a redundancy of illus- 

 tration, are distinguished by a simplicity and perspi- 

 cuity which are seldom found in physical investiga- 

 tions. 



The works of Boscovich which he published at 

 Bassano, contain the following Opuscules : 



Vol. i. Opusc. 1. De constructione et usu novi in- 

 strument maxime idonei ad determinandas vires re- 

 fractivas, et distractivas substantiarum diaphanarum. 

 Opusc 2. Deductio formularum pertinentium ad fo- 

 cos lentium, cum earum applicatione ad calculandas 

 sphaericitates, quse adhibendi debent pro telcscopiis 

 acromaticis. 



Vol. ii. Opusc. 1. De correctionibus pertinentibus 

 ad oculares, quibus accedit correctio solius erroris fi- 

 gurae sphasricac objeciivorum. Opusc. 2. De Lente 

 ustoria potissimum ingenti. Opusc. 3. De mode de- 

 terminandi discrimen velocitatis, quam habet lumen, 

 dum percurrit diversa media, per dua telescopia diop- 

 trica, alterum commune, alterum novi cujusdam ge- 

 neris. Opusc. 4. De novo genere micrometri objec- 

 tivi. Opusc. 5. De telescopis exhibenti simul bi- 

 nas imagines ejusdem objecti, alteram directam, 

 alteram inversam, cum earum motibus contrariis 

 ct sequalibus. Opusc. 6. De globulis cigris trans- 

 latis per discum solis, cum Epistola Gallica ad ejus 

 phenomeni observatorem. Opusc. 7. De refrac- 

 tionibus aatronomicis. Opusc. 8. De refract ionibus 

 astronomicis, et altitudine poli, determinandis per 

 distantias apparentes binarum fixarum supra et in- 

 fra polum. Opusc. 9. Methodus detcrminandi re- 

 fractiones astronomicas sine ulla suppositione physica, 

 quae non videantur omnino certa, ope instrumenti ha- 

 bentis utihtatem generalem in lota astronomia. 



Vol. in. Opusc. 1. De la determination de l'orbite 

 d'une comete par trois observations pas eloignees en- 

 tr'elles. Opusc. 2. Sur la nouvelle planete. 



Vol. iv. Opusc. 1 . De verificatione divisionum 



quadrantis muralis. De verificatione machine paral- 

 lactics. Des formules differentielles de trigonome- 

 tric. De rhombo micrometrico. 



Vol. v. Opusc. 1. De apparitione et disparitione 

 annuli Saturni. Opusc. 2. Sur les elements de la ro- 

 tation du soleil sur son axe determines par observations 

 de ses tache*. Opusc. 3. De determination* longitu- 

 dinis penduli oscillantis ad singula secunda temporis 

 medii. Opusc. 4. Notice abregee de l'astronomie pour 

 un marin. Opusc 13. De calculando aberratione as- 

 trorum orta e propagatione luminis successiva, &c. 

 and several other opuscules on the orbits of the comets 

 and planets. 



The principal works published by Boscovich in a 

 separate form, were, 



De Maculis Solaribus exercitatio Astronomica, 

 habitum Collegio Romano Soc. Jesu. Rom. 1736. 

 4to. 



De Mercurii novissima infra solem transitu, disser- 

 tatio habita in Collegio Romano. Rom. 1737. 4to. 



De Inequalitate gravitatis in diversis terras locis, 

 dissert, habita in Sem. Roman. Rom. 1741. 4to. 



De Annuis fixarum Aberrationibus. De Observa- 

 tionibus Astronomicis, et quo pertingat earumdem cer- 

 titudo. Disquisitio in universam astronomiam. Rom. 

 1742. 4to. 



De Motu Corporis attract! in centrum immobile, 

 in spatiis non resistentibus. Rom. 1743. 4to. This 

 is published in the Comment. Bonon. 1747- torn. ii. 

 p. 111. 



Nova Methodus adhibendi phasium observationes 

 in eclipsibus lunaribus. Rom. 1744. 4to. This is 

 also published in the Memorie sopra la fisica &c. in 

 Lucca per li Salani, 1747. 8vo. 

 De Cumetis. Rom. 1746. 4to. 

 De ^stu Maris. Rom. 1746. 

 Dissertatio de Lumine. Rom. 1749. 4to. 

 Osservazioni.dell' ultimo passagio di Mercurio sotto 

 il soli, reguito a' 6 di Maggio 1753. Rom. 1753. 



De Lentibus et telcscopiis dioptricis. Rom. 1755. 

 4to. 



De Inequalitatibus quas Saturnus et Jupiter sibi 

 mutuo videntur inducere- Rom. 1756. This paper 

 was drawn up for the prize given by the Academy 

 of Sciences ; but the Memoir of Euler was successful. 



