166 INDEX. 



hagen, 19 G. In agriculture and the arts, by the Haerlem 

 Philosophical Society, 445. Chemical prize-questions, by the 

 same society, 466. In eloquence, by the French academy, 

 474 



Prize-questions by the Society of Sciences and Arts at Utrecht, 

 xi. 385. By the Royal Academy of Sciences at Paris, 409. 

 By the Societe Medicale d'Emulation, 410. By the Helvetic 

 Society of Natural Sciences, ib. 



. by the Society of Apothecaries at Paris, xii. 179. 



By the Academic Society of Nantes, 190. By the Society 

 of Sciences and Arts at Mentz, 405. By the Royal Academy 

 of Sciences at Toulouse, 405. By the Academical Society of 

 the Lower Loire, 430. By the Royal Society of Medicine at 

 Marseilles, 430. 



remarks on, xiii. 151. Astronomical, of M. 



Lalande, 422. Of the Academy of Sciences, 430. Ana- 

 tomical prize-question, 442. Jacksonian prize -question of the 

 Royal College of Surgeons, 442 



mathematical, by the Royal Academy of Sciences 



of Prussia, xiv. 431 



on the magnetism of the solar rays, xv. 163 



— ■ by the Royal Academy of Sciences at Paris, xvi. 



177; xviii. 192; xix. 269 



— — by the Geographical Society, xviii. 193 



by the Royal Academy of Sciences at Toulouse, 



xix. 165 



notices of, xx. 168, 418 



Probabilities, on the application of the calculation of, to natural 



philosophy, i. 120 

 Proceedings of the Academy of Sciences of the Royal Institute of 



France, ii. 179. iii. 146. iv. 84, 102, 364. 

 Projects (useful), observations on, vii. 48 

 Propagation of heat, laws of, xii. 180 

 protoxide of copper, analysis of, vii. 181 

 pROUT (Dr.), remarks on his calculation of the weight of atoms, 



xiii. 322 



