PRA] 



[PRA 



Prat, J. P. 3. Note sur le fluorure de platine. 

 Bordeaux, Mem. Soc. Sci. Phys. II., 1861-63, 

 pp. 306-308. 



Prater, . Esperienze ed osservazioni sulle 



imagini cli MOSER. Majocclii, Ann. Fis. Chim. 

 XL, 1843, pp. 232-250. 



Prater, Jloratio. Observations on the anti- 

 inflammable and anti-dry-rot powers of the sub- 

 carbonate of Soda and other salts. Phil. Mag. 

 XIV., 1839. pp. 432-439 ; Dingier, Polytechn. 

 Journ. LXXIV., 1839, pp. 373-375 ; Erdni. 

 Journ. Prak. Chem. XIX., 1840, pp. 150-159. 



2. Extracts of observations on the solution 



of gold in muriatic acid by voltaic electricity. 

 London, Electr. Soc. Proc. 1843, pp. 341-342. 



Pratolongo, Gio. Battista. Descrizione anato- 

 mica di due acefali, ed alcune osservazioni sull' 

 azione dei nervi. Geneva, Mem. Accad. I., 

 1809, pp. 27-35. 



2. Dubbj e pensieri sul meccanismo dell' 



organo dell' udito. Geneva, Mem. Accad. III., 

 1814, pp. 245-253. 



Pratorius, C. F. A. Ueber die Unstatthaftig- 

 keit der electrischen Telegraphen fur weite 

 Fernen. Gilbert, Annal. XXXIX., 1811, pp. 

 116-122. 



2. Beschreibung eines Horchrolirs (Acro- 



ama), das besonders zum Kriegsgebrauche ein- 

 gerichtet ist. Gilbert, Annal. XXXIX., 1811, 

 pp. 150-155. 



Pratorius, Fr. Ueber Bereitung des Bernstein- 

 firnisses. Erdm. Jouru. Tech. Chem. III., 1828, 

 pp. 217-220. 



Pratt, . Die chemische Zusammensetzung 



des Hafers. Dingier, Polytechn. Journ. 

 CXLVI., 1857, pp. 387-389. 



Pratt, C. Notes on the geology of Cleveland. 

 Geologist, 1861, pp. 81-95. 



Pratt, (Archd.) John Henry. A demonstration 

 of the parallelogram of forces. Phil. Mag. 

 V., 1834, pp. 39-40. 



2. On the proposition that a function of $ 

 and \{/ can be developed in only one series of 

 LAPLACE'S coefficients ; the function being sup- 

 posed not to become infinite between the limits 

 and TT of f)' and and 2?r of J/. Phil. Ma"-. 

 VIII.. 1836, pp. 474-476. 



3. Observations on the Herat astrolabe. 



Bengal, Journ. Asiat. Soc. XL, 1842, pp. 720- 

 727. 



4. Memoir upon the quantity of iron neces- 

 sary in a tension chain bridge. Bengal, Jouru. 

 Asiat. Soc. XVIL, 1848, pp. 1-6; Koy. Engi- 

 neers' Papers, X., 1849, pp. 221-226. 



5. Note on iron tension bridges. Bengal, 



Journ. Asiat. Soc. XVI1L, 1849, pp. 249-252. 



6. Analytical proof of the parallelogram of 



forces. Phil. Mag. XXXIV., 1849, pp. 201- 

 202. 



Pratt, (Archd.) John Henry. 7. The supernu- 

 merary bows in the rainbow arise from inter- 

 ference. Phil. Mag. V., 1853, pp. 78-86. 



8. On the curvature of the Indian arc. 



Phil. Mag. X., 1855, pp. 340-345. 



9. On the attraction of the Himalaya 



Mountains and of the elevated regions beyond 

 them upon the plumb-line in India. [1854.] 

 Phil. Trans. 1855, pp. 53-100; Astron. Soc. 

 Month. Not. XVI., 1855-56, pp. 36-41. 



10. On the effect of local attraction upon 



the plumb-line at stations on the English Arc 

 of the Meridian, between Dunnose and Burleigh 

 Moor, and a method of computing its amount. 

 [1855.] Phil. Trans. 1856, pp. 31-52. 



11. On the deflection of the plumb-line in 



India, caused by the attraction of the Himalaya 

 Mountains and the elevated regions beyond, and 

 its modification by the compensating effect of a 

 deficiency of matter below the mountain mass. 

 Roy. Soc. Proc. IX., 1857-59, pp. 493-496, 

 701-702 ; Phil. Trans. 1859, pp. 745-778. 



12. On the influence of the ocean on the 



plumb-line in India. Roy. Soc. Proc. IX., 

 1857-59, pp. 597-599; Phil. Trans. 1859, pp. 

 779-796. 



13. The great Indian arc of the meridian 



and the figure of the Earth. Bengal, Journ. 

 Asiat. Soc. XXVIL, 1858, pp. 201-213; Phil. 

 Mag. XVI., 1858, pp. 401-408. 



14. Second Letter on the Indian arc. 



Bengal, Journ. Asiat. Soc. XXVIIL, 1859, pp. 

 22-27. 



15. On the influence of mountain attrac- 

 tion on the determination of the relative heights 

 of Mt. Everest and the lofty peak recently dis- 

 covered near Kashmir. Bengal, Journ. Asiat. 

 Soc. XXVIIL, 1859, pp. 310-316. 



16. On the thickness of the crust of the 



Earth. Phil. Mag. XVIL, 1859, pp. 327-332 ; 

 XVIII., 1859, pp. 259-262 ; XX., 1860, pp. 

 194-196. 



17. Is the thickness of the Earth's crust a 



small or a large fraction of the Earth's radius ? 

 Phil. Mag. XVIII., 1859, pp. 344-354. 



18. On the curvature of the Indian Arc. 



Roy. Soc. Proc. X., 1859-60, pp. 197-199, 648- 

 650. 



19. Is the problem, " How far is the mass 



of the earth solid and how far fluid ?" excluded 

 from the domain of positive science. Phil. Mag. 

 XIX., 1860, pp. 274-277. 



20. On the Indian Arc of Meridian. 



[I860.] Phil. Trans. 1861, pp. 579-594. 



21. Memorandum showing the final result 



of his calculations regarding the effect of local 

 attraction upon the operations of the Great 

 Trigonometrical .Survey of India. Bengal, 

 Journ. Asiat. Soc. XXXL, 1862, pp. 146-150. 



