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317 



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Wellstead, J. R. 6. Narrative of a journey 

 from the Tower of Ba-'l-haff, on the southern 

 coast of Arabia, to the ruins of Nakab al Hajar, 

 in April 1835. Geogr. Soc. Journ. VII., 1837, 

 pp. 20-33. 



Welsh, John. Observations of Flora. Astron. 

 Soc. Month. Not. VIIL, 1847-48, pp. 197- 

 200. 



2. On the graduation of the thermometers 



for the Arctic Searching Expedition. Roy. 

 Soc. Proc. VL, 1850-54, pp. 183-188. 



3. Description of a Sliding-Rule for con- 



verting the observed readings of the horizontal 

 and vertical force magnetometers into variations 

 of magnetic dip and total force. Brit. Assoc. 

 Kep. 1851 (pt. 2), pp. 20-21. 



- 4. Description of a sliding-rule for hygro- 

 metrical calculations. Brit. Assoc. Rep. 1851 

 (pt. 2), pp. 42-43. 



5. Report of the general process adopted 



in graduating and comparing the standard 

 meteorological instruments for the Kew Obser- 

 vatory. Roy. Soc. Proc. VL, 1852, pp. 178- 

 179. 



6. On the graduation of Standard Thermo- 

 meters at the Kew Observatory. Brit. Assoc. 

 Rep. 1853 (pt. 2), pp. 34-36. 



7. An account of meteorological observa- 

 tions in four balloon ascents made under the 

 direction of the Kew Observatory Committee 

 of the British Association. Phil. Trans. 1853, 

 pp. 311-346; Annal. de Chimie, XLL, 1854, 

 pp. 503-507. 



8. Instructions for the graduation of 



Boiling-point Thermometers, intended for the 

 measurement of heights. Brit. Assoc. Rep. 

 1856(^.2), p. 49. 



9. Account of the construction of a Standard 



Barometer, and description of the apparatus and 

 processes employed in the verification of Baro- 

 meters at the Kew Observatory. Phil. Trans. 

 1856, pp. 507-514. 



Welter, J. J. Appareil pour saturer la potasse 

 d'acide carbonique. Annal. de Chimie, XXVII., 

 1798, pp. 53-61. 



. 2. Sur quelques matieres particulieres 



trouvees dans les substances animales traitees 

 par 1'acide nitrique. Annal. de Chimie, XXIX., 



1798, pp. 301-304; Nicholson, Journ. III., 

 1800, pp. 277-278; Tilloch, Phil. Mag. V., 



1799, pp. 286-287. 



. 3. Sur la combinaison du chlore avec la 



chaux. Annal. de Chimie, VII., 1817, pp. 383- 

 388; Trommsdorff, N. Journ. d. Pharm. III., 

 1819, pp. 244-251. 



Welter, J. J., et Louis Joseph Gay-Lussac. 



Sur un acide nouveau forme par le soufre et 

 1'oxigene. Annal. de Chimie, X., 1819, pp. 

 312-319 ; Gilbert, Annal. LXV., 1820, pp. 252- 

 260; Quart. Journ. Sci. VII., 1819, pp. 371- 

 375; Schweigger, Journ. XXIX., 1820, pp. 

 193-200 ; Thomson, Ann. Phil. XIV., 1819, pp. 

 352-356 ; Trommsdorff, N. Journ. d. Pharm. 

 IV, 1820, pp. 202-203. 



2. Observations sur 1'essai des soudes 



et des sels de soude du commerce. Annal. de 

 Chimie, XIII., 1820, pp. 190-221 ; Journ. de 

 Pharm. VI., 1820, pp. 517-523 ; Schweigger, 

 Journ. XXIX, 1820, pp. 182-192; Tromms- 

 dorff, N. Journ. d. Pharm. V, 1821, pp. 124- 

 137. 



3. Sur la dilatation de 1'air. Annal. 



de Chimie, XIX., 1821, pp. 436-437 ; Gilbert, 



Annal. LXXL, 1822, p. 200. 

 Weltz, C. De 1'action du sulfate de cuivre sur 



le bois. (TransLfrom Polytechn. Centralblatt, 



1862, p. 404.) Repert. Chimie Appl. IV, 1862, 



pp. 169-170. 

 Weltzien, C. Ueber ein Zersetzungsproduct 



des Tetrathylammoniums. Liebig, Annal. 



LXXXVL, 1853, pp. 292-293; Annal. de 



Chimie, XLL, 1854, p. 487. 



2. Ueber die Bohnerze von Kandern. 



Liebig, Annal. XC., 1854, pp. 123-124, 



3. Analyse des Schiesspulvers. Liebig, 



Annal. XC., 1854, pp. 129-137 ; Erdm. Journ. 

 Prak. Chem. LXIIL, 1854, pp. 309-312. 



4. Ueber die Super] odide der zusammen- 



gesetzten Ammoniummoleciile. Liebig, Annal. 

 XCL, 1854, pp. 33-43; Annal. de Chimie, 

 XLIIL, 1855, pp. 123-124. 



5. Verhalten des Jods und Chlors gegen 



salpetersaures Silberoxyd. Liebig, Annal. 

 XCL, 1854, pp. 43-46; Annal. de Chimie, 

 XLIL, 1854, p. 373. 



6. Analysen von Mineralien des Grossher- 



zogthums Baden. Liebig, Annal. XCL, 1854, 

 pp. 229-234. 



7. Ueber die Isomorphie der Vitriole. 



Liebig, Annal. XCL, 1854, pp. 293-302; Erdm. 

 Journ. Prak. Chem. LXIIL, 1854, pp. 444- 

 447. 



8. Ueber die Crystallformen der Platin- 

 salze der zusammengesetzten Ammoniummole- 

 ciile des Aethyls. Liebig, Annal. XCIIL, 

 1855, pp. 272-274. 



9. Ueber das Thiosinathylammoniumjodid. 



Liebig, Annal. XCIV., 1855, pp. 103-107. 



10. Ueber das salpetersaure Silberoxyd- 

 Silberjodid. Liebig, Annal. XCV., 1855, pp. 

 127-128. 



11. Ueber die Ammoniummoleciile der 



Metalle. Liebig, Annal. XCVIL, 1856, pp. 

 19-33; C., 1856, pp. 108-110. 



