INDEX. 



47-'j 



4G6; atmospheric, 69 ; Donovan on, 

 1.54, 30^, 381 ; spontaneous, "218; ex- 

 perim. in, 23; De Luc on, 97, 329; 

 Singer on, 359; Brande on, 378 



Embryos of seeds, (ormedin the roots of 

 plants, 183 



Emetic tartar. New process for, 801 

 Engte/teld on algebraic multiplication, 

 15 

 Essmliai oils, not perfectly separable 

 from alcohol or ether, C8 



Ether. Composition of, 230 



Evans on prismatic colours, 401 



FuTey (Sea.) on intervals and beats of 

 the sounds yielded by gases, 26; 

 geological remarks by, IGl, 333; on 

 accidents in coal mines, 436 



FeHing colliery, 446 



Firminger's experiments on seconds 

 pendulum, 33 



Fi-jiiig foxes, J 57 



Fcetus found in a child, 375 



Furster on phrenology, 44, 129,314; 

 on external perception, 193 



Fossil shells. Recommendation to col- 

 lect, ^74 

 French Institute, 227,310, 382 

 Fhtts employed for paints, 855, 420 

 Frere on Dakewell's section, 219; an- 

 swer to, 297 

 Gnll and Spurxheim's system of cranio- 

 logy, 44, 129, 314 

 Gallic acid. On, 75 

 Galvanic movement and clock, 67, 68, 

 261,359 

 Galvanism. Short history of, 2 2'i 

 Gas. New inflammable, 20; compo- 

 sition of different kinds of, 67, 204 

 Gas light. Accum's work on, 372 

 Geology, 81, 161, 172,219, 233, 248, 

 274, 297, 333, 450, 452 

 GHhy on coal formations, 300 ; answer 

 to, 335 

 GM o« action of water and charcoal 

 on metals, 23, 230 

 Grease in horses. What ? 367 

 Greens, .Indent. Of the, 357 

 Gregory's ansii-er to Harvey's mathe- 

 matical question, 268 

 Grindstones and ironstone. Queries re- 

 specting, 103; answer, 233,295, 363 

 Harvey's mathematical question, 233 ; 

 answer, 268 

 Htaton colliery. Accident at, 364,437 

 Horse. Maladies of the, 367 

 Hume's emetic tartar, 301 

 Ibbctsun (Mrs.), on nourishment of 

 plants 3; on roots of plants, 177, 

 321; on embryos of seeds, 183; on 

 vegetation, 32 1 



Jet. Expff. on, 270 



Indigo-gene. Discovery of, by Brugna- 



telli, 395 



Ink, writing. A new, 274 



Insane patients. On treatment of, 48 

 Inver-Brora colliery, 448 



Iodine. Combinations of, 304 



Joseph, The patriarch. Tomb of, 280 

 Kirwanian Society, Dublin, 154, 222, 

 308, .381 

 Lavoisier''s doctrine, 306 



LenrnedSoc. 65, 150, 220, 303, 374,469 

 Light. Action of, on different bodies, 



118,235,382; exper. on, 401, 410, 



422 



Lowe on the star Polaris, 21 



MacCuUoch on Distillation of wood, 



peat, coal, &c. 203, 269 



Manure. An excellent, 303 



Mathematical queslion,2^3 ; answer,263 

 Medicine. State of in China, 73 



Metallic salts. On, 463 



Metals. On vegetable precipitates of, 

 76 

 A/f<eoro/ogy, 78,80,159,240,316,398,493 

 Migration of birds. Quere respecting, 

 232 

 Mineralogy, 233 



Monkeys employed as auxiliaries in 



war, 157 



Mosses. Beauvoir on, 231 



Murray on electrical phsnomena, .38 

 Musical notation. On, 387 



Naphtha.- On, 207 



Naval architecture. Improved, 230,374 

 Newton (Sir S.) On philosophy of, 148 

 Nicholson (W.) Death of, 396 



Nitrate of potash. Optical properties 



of, 123 



Nitrogen decomposed, 20 



North pole. Proposal to visit, 221 

 Numerical proportions in chemical com- 



bitintions. On, 109, 188, 344 



Olefiniil gas. Production of, 2.30 



Optical properties of various bodies, 1 18. 

 235 

 Optics", 234, 303 ; on defective vision, 

 461 

 Oxygen gas, a compound. Oxygen in 



chlorine, 68 



Paints of the ancients, 151, 220, 349. 

 414 

 Parrots. A plague in India, 157 



Parry on the pulse, 375 



Patents. 77, 158, 239, 315, 397 



Peall on treating the horse, 3C6 



Peat or turf. Exper. on, 21.5 



Pendulum. Firminger on length of, S3 

 Perpetual motion, CI, C8, 261, 359 



Petroleum. On, 207 



