INDEX. 381 



109-115, 121 ; a rule for clearing the lunar distance from the 

 effects of parallax and refraction, 117, 118 ; tables of third and 

 fourtli ditfererices, for interpolatinpf the moon's place, 287-292 



Moorcroft (Jolin, Esq.) observations of, on the properties and uses 

 of the Praugos Hay Plant of Northern India, 2, 3 



Moretti's fulminating acid, account of, 349, 330 



Mouthy organization and functions of, 8-10 



Mummy , (Egyptian) account of, 261-2G3 



Naphtha lamps, notice of, 328 



Natural History y Miscellaneous Intelligence in, 160-174, 360-372 



Nautical B-nA Astronomical Collections^ 109-131,281-293 



Neptunian theory of the earth, sketch of, 72-74 



Nerves of the Placenta, observations on, 294 



Nitrate of silver, experiments on the compound of cyanuret with, 



159-161 

 NitrogeUy means of testing the presence of minute portions of, in 



certain cases, 16-26 



Oersted (Professor) experiments of, on accelerating distillation, 

 142 



Oil of wine, production and nature of, 96-98 ; properties of the 

 Margosa oil, 172, 173 ; new compounds of carhon and hy- 

 drogen, and other products, obtained during the decomposition 

 of oil by heat, 273-275 



Oolitic formation, remarkable notice of, 363, 364 



Opium (English) account of the culture and preparation of, 141, 142 



Oxalate of lime, electrical powers of, 338, 339 



Oxalic Acid, presence of in the mineral kingdom, and in certain 

 plants, 353-355 



Palotta, QJ[.) experiments of, on parilline, 163, 164 



ParatonnerreSy or conductors of lightning, report on, 148-146 ; 

 proper height of paratonnerres for churches, and powder ma- 

 gazines, 146 ; and for ships, 146, 147 



Parilline y or the salifiable base of sarsaparilla, discovered, 163; 

 its properties, 164 



Parrot, a new species of, described, 199, 200 



Pay en, (M ) experiments of, on the decolouring power of dif- 

 ferent substances, 165 



Pearls, artificial production of, 167, 168 



Peschier, (M.) process of, for discovering titanium in mica, 157- 

 159 ; observations of, on the red snow of the Alps, 166-167; 

 and on the cure of the goitre, 168, 169 



Photometer, new, account of, 299-301 



Physiology of speech, observations on, 8-16 



Pictet, (M.) on the permanency of human hair, 168 



