CATALOGUE.— MATHEMATICS, VAIIIABLE QUANTITIES. 



119 



iniuiUer Polygonometrie. 4. Genev. 1789. 

 R.S. 



Lorgna on the variations of triangles. Soc. 

 Ital. Vir. 346. 



Schubert's spherical trigonometry, from Pto- 

 lemy. N. A. Petr. 1794. XII. Xdo. 



Lacroix Traite de trigonometrie. 8. R. T. 



Spherical Trigonometry. 



See Nautical Astronomy. 

 Lacaille on the differences of spherical tri- 

 angles. A. P. 1741. 238. H. 115. 

 Blake on spherical trigonometry. Ph. tr. 



1751.441. 

 Lambert on the simplification of spherical 



trigonometry by hyperbolic sectors. A. 



Berl. 1768. 327. 

 Peniberlon's three problems. Ph. tr. 1772. 



434. 

 *Lyons on spherical trigonometry. Ph. tr. 



1775. 470. 

 Euler on spherical trigonometry. A. Petr. 



III. i. 72. 

 Gua on spherical trigonometry. A. P. 1783. 



291. 

 Kelly's spherics and nautical astronomy. 



8. London. , 



Trembley essai de trigonometric spherique. 



8. R. S. 

 Spheroidical Trigonometry. See Figure of 



the earth. 



COMPARISON OF VARIABLE 

 QUANTITIES. 



Ilatley on infinite quantity. Ph. tr. 1693. 

 XVII. 556. 



Demoivre's specimen of the methcxl of flux- 

 ions. Ph.tr. 1695. XIX. 52. 



*Taylor Methodus incrementorum. 4, 

 Extr. Ph. tr. 1715. XXIX. 339, 



Stirling Methodus differentialis illustrata. Pli. 



tr. 1719. XXX. 1050. 

 Stirling on the differential method. 4. - 

 *Newton's fluxions, by Colson. 



Extr. Ph. tr. 1736. XXXIX. 320. 

 Fonlenelle's geometry of infinites. A. P. 1725. 



Suite. 

 **Maclaurins fluxions. 2 v. 4. Lond. 1742. 



R.L 



Extr. Ph. tr. 1743. XLII. 325. 

 Bossut on the differentiation of parameters. 



S. E. II. 435. 

 Arithmetic of infinites. Emerson's cyclo- 



mathesis. V. 

 *i'we;-so«'s fluxions. 8. London, 1757. R. I. 

 Emerson's method of increments. 4. 

 •Lj/ows's fluxions. 8. London, 1758. 

 Rowc's fluxions. 8. 

 Euler's elements of the mediod of variations. 



N. C. Petr. X. 51. XVI. 35. 

 *Lagrange on the method of variations. M. 



Taur. IV. ii. 163. 

 *Eukri calculus integralis. 4 v. 4. Petersb. 



1792. 



Condorcet on partial differences. A. P. 1770. 

 151. 



Cousin Lemons de calcul differentiel. 2 v. 8. 



Par. 1777. R.S. 

 Caluso sur les manieres de trailer le calcul 



differentiel. 4. R. S. 



Caluso proposes different marks over letters, like those o£ 

 fluxions. M. Tur. III. 



Arbogast sur les differences partielles. 4. Pe- 

 tersb. 1791. R.S. 



* Arbogast du calcul desderivations. 4. Strasb. 

 1800. R.L 

 Ace. Lalande's Montucla. IV. 659. 



Ftrronius de calculo integralium. 4. Flor. 

 1792. R. S. 



Ditton on fluxions. 8. 



Lacroix Traite du calcul differentiel. 2 v. 4. 

 Par. 1797. R. I. 



