YOU] 



469 



[YOU 



Young, George Pa.rton. 7. Determination of 

 the forms of the roots of solvible quintic equa- 

 tions whose coefficients arc functions of a vari- 

 able. Quart. Joum. Math. V., 1862, pp. 212- 

 222. 



Young, George W. Case of a foetus found in the 

 abdomen of a boy. [1808.] Med. Chir. Soc. 

 Trans. I., 1809, pp. 234-262. 



Young, j. P. Oolite in situ, in Edenville. 

 Orange Co., N. Y. Silliman, Journ. XIX.. 

 1831, p. 398. 



Young, James. An account of a new Voltaic 

 Battery, being a modification of the construction 

 recommended by Mr. FARADAY. Phil. Mag. 

 X., 1837, pp. 241-244: Poggend. Annul. XL., 

 1837, pp. 624-628 ; Sturgeon, Ann. Electr. 

 VII., 1841, pp. 500-502. 



Young, James. On the deodorization of manures. 

 [1847.] Manchester, Phil. Soe. Mem. VIII., 

 1848, pp. 446-448. 



Young, John. On the preparation of opium in 

 Great Britain. Edinb. Phil. Journ. I., 1819, 

 pp. 258-270. 



2. New method of cultivating in Great 



Britain the Papaver soruniferum, and of pre- 

 paring opium from it. Tilloch, Phil. Mag. 

 LV., 1820, pp. 164-175. 



Young, John. Notice relating to the recent 

 landslip on the Devonshire coast. Mag. Nat. 

 Hist. IV., 1840, pp. 138-140. 



Young, John. On the manufacture of the carbon 

 elements for Bunsen Batteries. Chemical News, 

 I., 1860, pp. 135-137. 



Young, John. Geology of the Campsie district. 

 Glasgow, Geol. Soc. Trans. I., 1860, pp. 5-45. 



Young, John R. On the developement of certain 

 trigonometrical functions. Phil. Mag. V., 1834. 

 pp. 198-203. 



2. On the summation of slowly converging 

 and diverging infinite series. Phil. Mag. VI., 

 1835, pp. 348-354 ; VII., 1835, pp. 25-26. 



3. A concise method of determining the 



function X 2 in the application of STURM'S 

 Theorem. Phil. Mag. VII., 1835, pp. 454-457. 

 4. On Mr. WOOLHOUSE'S theory of vanish- 

 ing fractions. Phil. Mag. VIII., 1836, pp. 295- 

 298. 



5. Simple method of proving the law of 



gravitation. Phil. Mag. IX., 1836, pp. 333-334. 



6. On the theory of vanishing fractions. 



Phil. Mag. VIII., 1836, pp. 515-521; IX., 

 1836, pp. 92-96. 



7. Investigation of formula? for the sum- 

 mation of certain classes of infinite series. 

 Phil. Mag. X., 1837, pp. 121-124 ; XI., 1837, 

 pp. 41-44. 



8. Analytical investigation of Prof. WAL- 

 LACE'S property of the parabola. Phil. Mag. 

 XI., 1837, pp. 302-304. 



Young, John R. 9. On the curvature of sur- 

 faces. Boy. Soc. Proc. IV., 1838, pp. 112-115. 



10. New criteria for the imaginary roots of 



equations. Phil. Mag. XXII., 1843, pp 186- 

 188, 252-258. 



11. Demonstration of the rule of FOUKIER. 



Phil. Mag. XXI1L, 1843, pp. 6-8. 



12. New criteria for the imaginary roots 



of numerical equations. Phil. Mag. XXIII., 

 1843, pp. 450-452. 



13. On diverging Infinite Series. Brit. 



Assoc. Eep. 1844 (pt. 2), p. 1. 

 14. On a principle in the theory of pro- 

 babilities. Brit. Assoc. Rep. 1844 (pt. 2), pp. 

 1-2. 



15. On Mr. GRA YES'S theory of imaginary 

 logarithms. Phil. Mag. XXV., 1844, pp. 401- 

 404. 



16. On imaginaiy zeros, and the theory of 

 conjugate points. Phil. Mag. XXVII., 1845, 

 pp. 91-97. 



17. On the evaluation of the sums of 

 neutral series. Phil. Mag. XXVII., 1845, pp. 

 362-366. 437-442. 



18. On the principle 



of 



continuity in 



reference to certain results of analysis. Brit. 

 Assoc. Rep. 1846 (pt. 2), pp. 1-2 ; Phil. Trans. 

 VIII., 1849, pp. 429-440. 



19. On the general expression of the sum 



of an infinite geometrical series. Phil. Ma"-. 

 XXVIIL, 1846, pp. 10-12. 



20. On differentiation as applied to periodic 

 series. Phil. Mag. XXVIIL, 1846, pp. 213- 

 215. 



21. On certain criteria of imaginary roots 



of equations. Phil. Mag. XXIX., 1846, pp. 

 32-34. 



22. On diverging infinite series, and oil 



certain errors connected therewith. Irish Acad. 

 Proc. III., 1847, pp. 27-48. 



23. On a generalisation of a theorem of 



EDLER in reference to the products of the sums 

 of squares. Phil. Mag. XXX., 1847, pp. 424- 

 425; XXXL, 1847, p. 123. 



24. On an extension of a theorem of 



EULER, with a determination of the limit beyond 

 "which it fails. [1847.] Irish Acad. Trans. 

 XXL, 1848, pp. 311-341. 



25. On the integral 



fdx 

 al / . 

 J x 



Phil. Mag. 



XXXIL, 1848, pp. 11-13. ^ 



26. On the combination of the theorems ot 



MACLAURIN and TAYLOR. Phil. Mag. XXXIL, 

 1848, pp. 98-100. 



27. On some forms of quadratic moduli. 



Phil. Mag. XXXIII., 1848, pp. 45-47. 



28. On some properties derivable from the 



developement of a binomial, &c. Phil. Mag. 

 XXXIIL, 1848, pp. 268-275. 



