^^9 INDEX. 



Gic'se on benzoic acid, i jl^ 



6^//7on Indian ink. sio 



Crp.'n's 'ab!cs. On, 204. 329 

 Clas. To etch on, 35; 



ClvU'Ti, On, 26 



Cra'setti^s ae* ial voyage, 1 88 

 Grass lands. Estimate, 183 



Green. To dye, 324 



Cuirsen on phosphoric acid, i j 7 



J/ut/jW3K on calico printing:, 323 

 ^t'/.jir'ipldte after Da) es, 370 

 Hflmon's experiments on vege- 

 tation, _ 3'9 

 Hfn/fv'j e>^phin?.ti;>n of inscrip- 

 tion on 13abylonian brick, 



Bemp. On srrcnp;th of, 34 1 

 htnino fi.h'fj On, 218 



Horse -hoiii.g On, 180 



Bvrsi-s. Experiments on urine 

 , of, ijt 



H.ivard on the clouds, 5 



H tva'-d's fulm'na'ing v^ncury. 

 Barkct on, r~ y ; Hume on, 



505 

 tinman leeth AK\7Xy/.t^, 313 



Mumhoh'us geologicul sketch ol' 

 Suu'h Americd, 347 



Hume on nitrous ether by ni- 

 trate of mercury, 30, 

 Hyacinth. On the, 203 

 MydroinHtTs. On, 204,329 



India. .On people of, 1 1 



Indijn'ink' On composition cf, 



210 



Iron. On alkalized oxide of, 



323 ; wliite cxidc of, 323 



Khproth. Analyses by, 76, 230, 

 545, 256, 267, 289; on em- 

 ploying pktina ia porGcl^iJJ 

 pointing, 135 



Kni^bt's apoaratus to prepare 

 fluoric acid, 357 



Kcokies of India. On the, xi 



iagravgc' i vinlvsls of ambergris, 

 88, 131 



Lamps with tivo concentric wichfi 

 On, 305 



Lavohier on the diamond, 197 



Lead ores. Analized, 83, >i6, 

 230, 231 ; found in antient 

 mirrors, 293 ; but not an in- 

 tended insjredient, 294 



Lear mU Societies, gi, 186, 283, 



371 

 Lather. On the manufacture 

 of, 6q, 6;, 140, 293 



Li^htnin^. To relieve from ef- 

 fects 01, 306 

 Liltl:^s observationo on barome- 

 ter at Teneriffe, 37 

 Longevity, 192 

 Lund a s oj India. On the, n 



Makrac on the Kookies or 

 L :nctas, 1 1 



Miuquer^s experiments on dia- 

 monds, 197 

 Madrrperiic. Analized, 238 

 Manganese ore. Analized, 240 

 il/e.Z'fli/i on the meridian, 371 

 Medicine, pneumatic. On, 171, 

 234, 360 

 Meleor, 'insular, jpi, 279 

 Meteorology i 5> 19^ 

 Melilite. Analized, 79 

 M^r-.-ury, Red oxide of, 139 ; 

 fiilrni^iating, 169,305; black 

 oxide of, 225 

 Metals. On antient mixtures 

 of, 289 

 Meux's Irewery, 40, 164, 275 

 Millety a prize question, 93 

 Mirrors. On antient, 289 

 Mitchill on cinis, 267 

 Mountains. Geological details 

 respecting, _ 347 

 Muriat:, of ammonia, native 

 analized, 76, 77 ; of barytes. 

 Exptriments on, 160 



Nankeen colour. To dye, 149, 



3-5 



Affiles, a prize question, 9jt 



Nczv Zeulandjiax. On 341 



Ni7itbus clouds. On,, l » 



Nitrate 



