68 INDE^. 



some metals possess, of facilitating the comLination of elastic 



fluids, xvii. 132 

 Dumbness, case of, cured by electricity, xvi. 187 

 PuMERiL (M.), report of, on the medicinal application of leeches, 



xix. 174 

 DupuY (M.) on the distillation of fatty bodies, xx. 391 

 DuTRocHET (M.) on the influence of motion in the direction of 



vegetables, xiv. 430 

 Dyckman (Dr.), notice of his dissertation on the pathology of 



the human fluids, i. 300 

 Dyeing, improvements in, x. 188 

 Dye (yellow), a new one discovered, ix. 184 



Ear, its organization, cause of it receiving impressions of sound, 

 ii. 6 



Earle (Henry, Esq.), observation of, on the eifect of galvanism 

 on the nervous system and its disorders, xiv. 111. On the 

 mechanism of the spine, 380 



Earth, observations on the figure of, v. 2.35. On the know- 

 ledge which the ancient Egyptians appear to have had of it, 

 247. Observations on the operations undertaken to determine 

 the figure of the, 340 



-^ observations on the figure of, as deduced from the mea- 

 surement of arcs of the meridian, vii. 229 



influence of the changes of, on the latitude of places. 



viii. 85. On the figure of, 108 



remarks on Laplace's computation of the density and 



figure of, ix. 32. Hypothesis concerning its structure, 52. 



Temperature beneath its surface, 197 



temperature of the, at various depths, xii. 338. Re- 



marks on its mean density, 370 



observations on the temperature of, xiii. 144 



sketch of the diff'erent theories of, by Dr. Thomas Bur- 



