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Howard, J. Eliot. Examination of PAVON'S 

 collection of Peruvian barks contained in the 

 British Museum. Pharmaceut. Journ. XL, 

 1852, pp. 489-498, 557-564 ; XII., 1853, pp. 

 11-16, 58-62, 125-129, 173-180, 230-235, 339- 

 342. 



2. Observations on some additional spe- 

 cimens of Peruvian barks presented to the 

 museum of the Pharmaceutical Society. 

 Pharmaceut. Journ. XIV., 1855, pp. 61-63. 



3. On the bark of Gomphosia chlorantha, 



Wedd., occurring mixed with quilled Calisaya 

 bark. Pharmaceut. Journ. XIV., 1855, p. 318. 



4. On Copalche bark. Pharmaceut. Journ. 



XIV., 1855, p. 319. 



5. On the tree producing red Cinchona 



bark. Pharmaceut. Journ. XVI., 1857, pp. 

 207-212 ; Journ. de Phann. XXXL, 1857, pp. 

 142-149. 



6. Report on the bark and leaves of Chin- 



chona succirubra grown iu India. Seemann, 

 Jouru. Bot. I., 1863, pp. 211-214 ; Pharmaceut. 

 Journ. V., 1864, pp. 74-75. 



Howard, Liike. On a periodical variation of 

 the Barometer, apparently due to the influence 

 of the Sun and Moon on the atmosphere. 

 Tilloch, Phil. Mag. VII., 1800, pp. 355-363. 



- 2. Account of a microscopical investi- 

 gation of several species of pollen, with remarks 

 and questions on the structure and use of that 

 part of vegetables. [1800.] Linn. Soc. Trans. 

 VI., 1802, pp. 65-74. 



3. Considerations on Dr. BUTTON'S theory 



of Rain. Tilloch, Phil. Mag. XIV., 1802, pp. 

 55-62. 



4. On the modifications of clouds, and on 

 the principles of their production, suspension, 

 and destruction. Tilloch, Phil. Mag. XVI., 

 1803, pp. 97-107, 344-357 ; XVII., pp. 5-11 ; 

 Gilbert, Annai. XXL, 1805, pp. 137-159. 



^ 5. Lettre a M. PICTET sur une preparation 

 perfectionnee du Calomel. Bibl. Britannique, 

 XLV., 1810, pp. 211-212; Schweigger, Journ. 

 H., 1811, pp. 258-259 ; Gilbert, Annal. XLIV., 

 1813, p. 450. 



6. The natural history of clouds. Nichol- 

 son, Journ. XXX., 1812, pp. 35-62. 



7. Appendix to the Meteorological Journal, 



containing observations of rain and rain 

 gauges. Nicholson, Journ. XXXL, 1812, pp. 

 142-145 ; Gilbert, Annal. XLL, 1812, pp. 417- 

 425 ; LI., 1815, pp. 1-48, 66-72. 



8. New process for refining sugar. Thom- 

 son, Ann. Phil. VIII., 1816, pp. 209-210 ; Annal. 

 de Chimie, II., 1816, pp. 373-375 ; Schweigger, 

 Joum. XXV., 1819, pp. 184-191. 



9. Effect of the late Solar Eclipse on the 



temperature of the day on which it occurred. 

 Thomson, Ann. Phil. VIII., 1816, pp. 467-469. 



Howard, Luke. 1O. A descending spout on 

 land. Thomson, Ann. Phil. X., 1817, pp. 146- 

 147; Gilbert, Annal. LVIL, 1817, pp. 219-221. 



11. Account of the late Solar Eclipse. 



Thomson, Ann. Phil. XVI., 1820, pp. 313-314. 

 12. On the best means for conducting 



meteorological observations in different places 

 and climates, so as to produce some uniformity 

 in the modes of obtaining and summing up the 

 results. Tilloch, Phil. Mag. LVIL, 1821, pp. 

 81-83. 



13. On the late extraordinary depression 



of the barometer. Phil. Trans. 1822, pp. 113- 

 116; Gilbert, Annal. LXXIIL, 1823, pp. 297.- 

 330. 



14. On the difference of the quantity of 



rain at different heights above the surface of 

 the neighbouring ground. Brit. Assoc. Rep. 

 1834, pp. 563-564. 



15. On the wet summer of 1839. Roy. 



Soc. Proc. IV., 1840, p. 203. 



16. On certain variations of the mean 



height of the barometer, mean temperature, and 

 depth of rain, connected with the lunar phases, 

 in the cycle of years from 1815 to 1823. Roy. 

 Soc. Proc. IV., 1840, p. 211. 



17. Tables of the variation, through a 



cycle of nine years, of the mean height of the 

 barometer, mean temperature, and depth of 

 rain, as connected with the prevailing winds, 

 influenced in their direction by the occurrence 

 of the lunar apsides ; with some concluding 

 observations on the result. Roy. Soc. Proc. IV., 

 1840, pp. 226-227. 



18. On a cycle of eighteen years in the 



mean annual height of the barometer in the 

 climate of London, and on a constant variation 

 of the Barometrical Mean according to the 

 Moon's declination. Phil. Trans. 1841, pp. 

 277-280 ; Roy. Soc. Proc. IV., 1841, p. 300. 



19. On a cycle of eighteen years in at- 

 mospherical phenomena. Brit. Assoc. Rep. 

 1842 (pt. 2), pp. 24-25. 



2O. The Mean Year or Solar Variation 



through the seasons of the barometer in the 

 climate of London. Brit. Assoc. Rep. 1844 

 (pt. 2), pp. 14-20. 



21. On a lunar meteorological cycle. 



Brit. Assoc. Rep. 1845 (pt. 2), pp. 25-26. 



22. On the barometrical variation as 



affected by the Moon's declination. [1845.] 

 Phil. Trans. 1846, pp. 441-448. 



Howard, R. Hochster und niedrigster Baro- 

 meterstand im Jahre 1821. Beobachtungen zu 

 Stratford bei London. (Transl.) Gilbert. 

 Annal. LXXIIL, 1823, pp. 294-297. 



Howard, Robert. On certain precautions neces- 

 sary in using chemical tests. Pharmaceut. 

 Journ. II., 1843, pp. 641-646. 



