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280 



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Watkins, Francis. On a galvanic pile con- 

 structed with a single metal only. Gill, Techn. 

 Microsc. Repos. VI., 1830, p. 154. 



2. On the magnetic powers of soft iron. 



Phil. Trans. 1833, pp. 333-342 ; Poggend. An- 

 nal. XXXV., 1835, p. 208. 



3. On magneto-electric induction. Phil. 



Mag. VIL, 1835, pp. 107-113. 



4. On electro-magnetic motive machines. 



Phil. Mag. XII., 1838, pp. 190-196. 



5. On the decomposition of water by 



thermo-electricity. Phil. Mag. XII., 1838, p. 

 541 ; Poggend. Annal. XLVI., 1839, pp. 496- 

 497. 



6. On the evolution of heat by thermo- 

 electricity. Phil. Mag. XIV, 1839, pp. 82-83 ; 

 Poggend. Annal. XLVI., 1839, pp. 497-499. 



Watkins, John. Notices of the natural history 

 of the northerly parts of Louisiana. [1803.] 

 Amer. Phil. Soc. Trans. VI., 1809, pp. 69-72. 



Watkins, Tobias. An experimental inquiry 

 into the nature and properties of indigenous 

 medicinal plants. Baltimore, Med. Phys. Re- 

 corder, I., 1809, pp. 126-131, 197-201. 



Watl, N. Joseph. Maniere de recolter certains 

 insectes exotiques. (Transl.) Silbermann, 

 Revue Entom. II., 1834, pp. 253-258. 



2. Des insectes d'Andalousie. (Transl.) 

 Silbermann, Revue Entom. IV., 1836, pp. 137- 

 164. 



Watrin, L. Essai sur le Strongle epineux 

 (Strongylus armatus, Rudolphi). Metz, Mem. 

 Acad. XIX., 1837-38, pp. 94-101. 



Watson, Alexander. Case of extra-uterine con- 

 ception within the upper part of the Fallopian 

 tube. Edinb. Med. Surg. Journ. LX., 1843, pp. 

 362-364. 



2. Observations on the formation of bone 



by the periosteum. Edinb. Med. Surg. Journ. 

 LXIII., 1845, pp. 302-307. 



Watson, George C. The coral plant. Liver- 

 pool, Lit. Phil. Soc. Proc. I., 1844-45, pp. 

 82-87. 



Watson, H. W. Direct investigation of LA- 

 GRANGE'S and MONGE'S methods of solution of 

 partial differential equations. Quart. Journ. 

 Math. VI., 1863, pp. 146-150. 



Watson, Henry H. On the use of LESLIE'S 

 Hygrometer with a new scale. Brit. Assoc. 

 Rep. 1834, p. 569. 



2. On the quantity of carbonic acid in the 



atmosphere. Brit. Assoc. Rep. 1834, pp. 583- 

 586; Erdm. Journ. Prak. Chein. VI., 1835, pp. 

 75-78. 



* 3. Remarks on the results of some experi- 

 ments on the phosphate and pyrophosphate of 

 soda. Brit. ABSOC. Rep. 1836 (pt. 2), pp. 

 48-50. 



Watson, Henry H. 4. On the relative attrac- 

 tions of sulphuric acid for water, under particu- 

 lar circumstances; with suggestions of means 

 of improving the ordinary process of manufac- 

 turing sulphuric acid. Roy. Soc. Proc. IV., 

 1838, pp. 81-82 ; Manchester, Phil. Soc. Mem. 

 VI., 1842, pp. 352-393. 



5. Experiments and observations on the 



efflorescing properties of some salts of soda. 

 [1836.] Manchester, Phil. Soc. Mem. VI., 1842, 

 pp. 78-98. 



6. Remarks on Dr. THOMSON'S paper on 



the combination of sulphuric acid and water. 

 [1839.1 Manchester, Phil. Soc. Mem. VI., 1842, 

 pp. 274-296. 



7. On detecting the presence of arsenic, 



particularly in reference to the employment of 

 MARSH'S test. [1841.] Manchester, Phil. Soc. 

 Mem. VI.. 1842, pp. 590-616. 



Watson, Hewett Cottrell. Observations made 

 during the summer of 1832 on the temperature 

 and vegetation of the Scottish Highland Moun- 

 tains, in connexion with their height above the 

 sea. Edinb. New Phil. Journ. XIV., 1833, pp. 

 317-324 ; Froriep, Notizen, XXXVII., 1833, 

 col. 145-152. 



2. Observations on the affinities between 



plants and subjacent rocks. Mag. Nat. Hist. 

 VI., 1833, pp. 424-427. 



3. On the altitude of the habitats of plants 



in Cumberland, with localities of the rarer 

 mountain species. Mag. Nat. Hist. VII., 1834, 

 pp. 20-24. 



4. Data towards determining the decrease 

 of temperature in connexion with elevation 

 above the sea-level in Britain. Mag. Nat. Hist. 

 VIL, 1834, pp. 443-448. 



5. Comparison between the upper or termi- 

 nal lines of trees and shrubs in Great Britain, 

 and their geographic extension towards the 

 Arctic regions. Hooker, Comp. Bot. Mag. I., 

 1835, pp. 86-89. 



6. Numerical proportions of the natural 

 orders of British plants at different elevations. 

 Hooker, Comp. Bot. Mag. I., 1835, pp. 196- 

 197. 



7. Remarks on the botany of Britain, as 



illustrated in MURRAY'S " Encyclopaedia of 



Geography." Hooker, Comp. Bot. Mag. I., 

 1835, pp. 228-234. 



8. Observations on the construction of 



maps for illustrating the distribution of plants. 

 Mag. Nat. Hist. IX., 1836, pp. 17-21. 

 9. Observations on the construction of a 

 local Flora. Jardine, Mag. Zool. Bot. I., 1837, 

 pp. 424-430. 



10. The plants of the Grampians, viewed 



in their relations to altitude. Hooker, Lond. 

 Journ. Bot. L, 1842, pp. 50-72, 241-254. 



