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451 



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Howard, Samuel. On a continued spontaneous 

 evolution of gas at the village of Charlemout, 

 Staffordshire. Brit. Assoc. Kep. 1849 (pt. 2), 

 pp. 38-39. 



Howard, W. Description of a Differential 

 Thermometer. Quart. Journ. Sci. VIII., 1820, 

 pp. 219-220 ; Silliman, Journ. II., 1820, pp. 

 327-328. 



2. Heat in the rays of the Moon. Silliman, 



Journ. II., 1820, p. 329. 



3. On the stopping of Astronomical Clocks. 



Silliman, Journ. VIII., 1824, pp. 277-279. 



Howden, John. Remarks and facts on Ants. 

 Mag. Nat. Hist. VII., 1834, pp. 269-271. 



Howe, . Case of a blind and deaf mute (01. 



Caswell). Boston, Med. Surg. Journ. XXVI., 

 1842, pp. 249-254. 



Howell, Henry H. The geology of the Warwick- 

 shire coal-field and the Permian rocks and Trias 

 of the surrounding district. Geol. Survey, Mem. 

 1859, pp. 5-29. 



Howell, Henry H., and W. T. Aveline. The 

 geology of part of Leicestershire. Geol. Survey, 

 Mem. 1860. 



Kowell, Henry H., and Archibald Geikie. The 

 geology of the neighbourhood of Edinburgh. 

 Geol. Survey, Mem. 8vo. 1861. 



Howell, J. W. On some hitherto unnoticed 

 peculiarities in the structure of the capsule of 

 Papaveracete, and on the nature of the stigma 

 of Cruciferaj. Ann. Nat. Hist. X., 1842, pp. 

 248-255. 



2. On the structure of the capsule of 



Papaveracese, and on the nature of the Stigma 

 of Cruciferse. Ann. Nat. Hist. XL, 1843, pp. 

 42-43. 



Howell, R. On the wheat-fly and its ravages. 



Anier. Assoc. Proc. 1853, pp. 179-181. 

 Howell, Sam. Notice of the Shad and Shad 



fisheries of the river Delaware. Sillimau, Journ. 



XXXIL, 1837, pp. 134-140. 

 Howgrave, W. G. Artificial precious Stones. 



Electrician, IV., 1863, pp. 4-5. 

 Howie, Charles. Fifeshire ferns. Phytologist, 



II., 1857-58, pp. 263-264, 362-366. 



2. Fifeshire Lycopodia and Equiseta. Phy- 

 tologist, II., 1857-58, pp. 293-294. 



3. Fifeshire mosses. Phytologist, II., 1857 



58, pp. 483-485 ; III., 1858-59, pp. 212-216. 



Howison, James. Some account of the elastic 

 Gum Vine of Prince of Wales's Island, and of 

 experiments made on the milky juice which it 

 produces. Asiatick Researches, V., 1798, pp. 

 157-165 ; Nicholson, Journ. III., 1800, pp. 534- 

 539 ; Tilloch, Phil. Mag. VI., 1800, pp. 14-20. 



2. An account of the Chinese method of 



propagating Fruit Trees by abscission. Nichol- 

 son, Journ. XXII., 1809, pp. 321-324; Tilloch, 

 Phil. Mag. XXXI., 1808, pp. 114-116. 



Howison, iniliam. An account of the manu- 

 facture of Turpentine from the Pinus sylves- 

 tris. Highland Soc. Trans. V., 1820, pp. 495- 

 508. 



2. Short account of the Forest Trees and 



Timber Trade of the interior of Russia. Edinb. 

 Phil. Journ. XII., 1825, pp. 56-70. 



Howitz, F. G. Ueber den Einfluss des Luftzuges 



auf das Kochen und Dcstilliren des Wassers. 



Schweigger, Journ. XLI. (= Jahrb. XL), 1824, 



pp. 293-318. 

 Howldy, Thomas. Experiments in Electricity. 



Nicholson, Journ. XXXVL, 1813, pp. 198- 



201. 



2. Influence of atmospheric moisture on an 



electric column composed of discs of Zinc and 

 Silver. Tilloch, Phil. Mag. XLIIL, 1814, pp. 

 241-245, 363-366. 



3. On the fracture of electrical Jars by 



spontaneous discharges. Tilloch, Phil. Mag. 

 XLVL, 1815, pp. 205-208. 



4. On the Frauklinian theory of the 



Leyden Jar ; with remarks on Mr. DONOVAN'S 

 experiments. Tilloch, Phil. Mag. XLVL, 

 1815, pp. 401-408. 



5. On certain electrical phenomena. Til- 

 loch, Phil. Mag. XL VII., 1816, pp. 285-288. 



6. On the inflammation of gunpowder by 



electricity. Tilloch, Phil. Mag. LXVIH., 

 1826, pp. 173-177. 



7. On effecting combustion by the electric 



spark. Tilloch, Phil. Mag. LXVIII., 1826, pp. 

 267-269. 



8. Remarks on Mr. STURGEON'S paper " On 



the inflammation of gunpowder by electricity." 

 Phil. Mag. I., 1827, pp. 343-345 ; Quart. Journ. 

 Sci. XXIL, 1827, pp. 379-380. 



Hewlett, F. Observations of the Solar Spots. 

 Astron. Soc. Month. Not, XXIL, 1862, pp. 6-8; 

 XXIII., 1863, pp. 266-273. 



2. Remarks upon the phenomena attending 



the disappearance, by rotation, of the great solar 

 spot of 4th August 1862, as recorded by both 

 helio-photography and ordinary telescopic ob- 

 servation. [1862.] Astron. Soc. Month. Not. 

 XXIIL, 1863, pp. 108-116. 



Hewlett, Samuel B. Table for determining 

 altitudes with the mountain barometer. Roy. 

 Engineers, Papers, I., 1832, pp. 48-53. 



2. Description of a compensating barometer, 



adapted to meteorological purposes, and requiring 

 no corrections either for Zero or for Tempera- 

 ture. Roy. Soc. Proc. IV., 1839, p. 133 ; Roy. 

 Engineers, Papers, III., 1839, pp. 164-168. 



Howse, Richard. [ Catalogue of the fossils of the 

 Permian system of the counties of Northumber- 

 land and Durham. Tyneside Nat. F. C. Trans. 

 I., 1846-50, pp. 219-264. 



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