TOR] 



1287 



[YOU 



Torke, (Col.) Philip. 13. Note on the quantity 

 of Caesium contained in the water of the hot 

 spring found in Wheal Clifford. Chem. Soc. 

 Journ. X., 1872, pp. 273-274. 



Young, Arthur. A list of Lepidoptera collected 

 in Persia in 1859. Entomologist, II., 1864-65, 

 pp. 230-231. 



2. Papilio Pammon, its alleged polymor- 

 phism. Entomologist, III., 1866-67, p. 40.' 



3. Persian Lepidoptera. Entomologist, III., 



1866-67, pp. 72-73. 



Young, Charles A. On a proposed printing 

 chronograph. Amer. Journ. Sci. XLII., 1866, 

 pp. 99-104. 



2. Spectrum observations at Burlington, 



Iowa, during the eclipse of 7th August, 1869. 

 Amer. Assoc. Proc. XVIII., 1869, pp. 78-82. 



3. On a new method of observing the first 



contact of the Moon with the Sun's limb at a 

 solar eclipse by means of the spectroscope. 

 Amer. Assoc. Proc. XVIII., 1869, pp. 82-84 ; 

 Amer. Journ. Sci. XL VIII., 1869, pp. 370- 

 378. 



4. Spectroscopic notes. Franklin Instit. 



Journ. LVIIL, 1869, pp. 141-142, 287-288, 

 416-424 ; LX., 1870, pp. 64-65; LXIL, 1871, 

 pp. 348-360, 430; Chemical News, XX., 1869, 

 pp. 271-272 ; Nature, III., 1871, pp. 110-113 ; 

 V., 1872 ? pp. 85-88. 



' 5. On a new method of determining the 

 level-error of the axis of a meridian instrument. 

 Amer. Assoc. Proc. XIX., 1870, pp. 23-25 ; 

 Amer. Journ. Sci.L., 1870. pp. 348-350. 



6. Spectrum of the fire-fly. American 

 Naturalist, III., 1870, p. 615. 



7. Photograph of a solar prominence. 

 Amer. Journ. Sci. L., 1870, pp. 404-405. 



8. [Spectrosopic and photographic obser- 

 vations of solar phenomena.] Franklin Instit. 

 Journ. LX., 1870, pp. 232a-2336. 



9. A new form of spectroscope. Franklin 



Instit. Journ. LX., 1870, pp. 331-335. 



1O. Observations of the solar protuberances. 



Franklin Instit. Journ. LX., 1870, pp. 336- 

 338. 



11. Spectrum of solar spots, September 1870. 



Franklin Instit. Journ. LX., 1870, pp. 338-340. 



12. Spectrum of a solar spot, 9th April 



1870. Nature, II., 1870, p. 338. 



13. Observations of the solar eclipse of 



December 22nd, 1870, at Jerez, Spain. Amer. 

 Journ. Sci. I., 1871, p. 156 ; Franklin Instit. 

 Journ. LXL, 1871, pp. 82-88; Nature, III., 



1871, pp. 261-262. 



14. On the solar Corona. Amer. Journ. 



Young, Charles A. 16. Preliminary catalogue 

 of the bright lines in the spectrum of the 

 chromosphere. Amer. Journ. Sci. II., 1871, pp. 

 332-335; Phil. Mag. XLII.," 1871, pp. 377-380. 



17. An explosion on the Sun. Amer. 



Journ. Sci. II., 1871, pp. 468-470; Nature, IV., 



1871, pp. 488-489; Les Mondes, XXVII., 1872, 

 pp. 33-37. 



18. Magnetometer indications of 7 Sep- 

 tember, 1871. [1871.] Amer. Journ. Sci. III., 



1872, pp. 69-70. 



19. Observations on ENCKE'S comet at the 



Dartmouth College Observatory. Amer. Journ. 

 Sci. III., 1872, pp. 81-84. 



20. Note on recurrent vision. Amer. 



Journ. Sci. III., 1872, pp. 262-264 ; Phil. Mao-. 

 XLIII., 1872, pp. 343-345. 



21. On the bright lines in the spectrum of 



the solar atmosphere, observed during July and 

 August 1872. Amer. Journ. Sci. IV., 1872, 

 pp. 356-362 ; Nature, VII., 1873, pp. 17-20. 



22. Spectroscopic notes : the method of 



Sci. L, 1871, pp. 311-321. 



15. Note on the spectrum of the Corona. 

 Amer. Journ. Sci. II., 1871, pp. 53-55. 



ascertaining the velocity of a luminous body by 

 the displacement of lines in its spectrum. Frank- 

 lin Instit. Journ. LXIV., 1872, pp. 349-351. 



23. Note on the use of a diffraction 



" grating " as a substitute for the train of 

 prisms in a solar spectroscope. Amer. Journ. 

 Sci. V., 1873, pp. 472-473 ; Palermo, Mem. 

 Spettrosc. Ital. II., 1873, p. 144. 



Young, George Paxton. 8. A new proof of the 

 existence of the roots of equations. Canadian 

 Journal, IX., 1864, pp. 26-27. 



9. Remarks on Professor BOOLE'S mathe- 

 matical theory of the laws of thought. Cana- 

 dian Journal, X., 1865, pp. 161-182. 



Young, J. Wallace. Note on the analysis of a 

 deposit containing sulphate of baryta. Geol. 

 Mag. II., 1865, pp. 475-476. 



2. On the analysis of volcanic ash and 



fossil wood from Arran. Chemical News, XIII., 

 1866, pp. 73-74. 



3. Analysis of a fossiliferous limestone con- 

 taining a magnesian silicate. Chemical News, 

 XV., 1867, pp. 193-194. 



4. Note on the analysis of a red mineral 



(Ferrite) from Paisley. [1864.] Glasgow, 

 Geol. Soc. Trans. II., 1867, pp. 36-37. 



5. On the presence of magnesia in rocks. 



[1865.] Glasgow, Geol. Soc. Trans. II., 1867, 

 pp. 64-68. 



6. Analysis of minerals from Campbeltown. 



Glasgow, Geol. Soc. Trans. II., 1867, p. 89. 



7. On the chemistry of some carboniferous 



and old red sandstones. Glasgow, Geol. Soc. 

 Trans. II., 1867, pp. 198-209: Chemical News, 

 XVIII., 1868, pp. J 69- 173. 



8. On the Ballagan series of rocks. Glas- 

 gow, Geol. Soc. Trans. II., 1867, pp. 209-212. 



