INDEX. 



Objects and Rules of the Associa- 

 tion, 497. 



Officers, Council, Committees, &c. 

 xxxviii. 



Proceedings of the General Meeting, 

 ix. 



of the Sectional Meetings, 



xxxii. 



of the Committees, xxxv. 



Recommendations of the Commit- 

 tees, 469. 



Absorption of light by coloured me- 

 dia, on, 373. 



Achromatism of the eye, on the, 374. 



Actinometer, the principle and con- 

 struction of the, 379. 



Adam (Dr.) on some symmetrical 

 relations of the bones of the me- 

 gatherium, 437. 



Agardh (Prof.) on the originary 

 structure of the flower, 433. 



Algebra, on the science of, 185 ; 

 signs of transition, 232 ; signs of 

 discontinuity, 248 ; convergency 

 and divergency of series, 267. 



Analysis, on certain branches of, 1 85. 



.\ntimony, glass of, its power to re- 

 flect light, 377. 



Architecture, naval, on, 430. 



Atomic weights, experiments on, 399. 



Attraction, electrical, some new phse- 

 nomena of, 386. 



Aurora borealis, on an arch of the, 

 401 ; directions for observations 

 of the, 486. 



Baily (F.), account of some MS. 



Letters relative to Flamsteed's 



Historia Ccrlcslis, 462. 

 Barlow (P.), report on the strength 



of materials, 93. 

 Barometer, new, on the construction 



of, 414. 



-, portable, new method ofcon- 



structing, 417. 



Barometer, wheel, on the construc- 

 tion of a new, 414. 



with an enlarged scale, 414. 



Beams, on the effect of impact on, 

 421. 



Blackwall (J.) on the structure and 

 functions of spiders, 444. 



Botany, on the philosophy of, 27. 



Brain, on the physiology of the, 63. 



Buckland (Rev. Dr.), address on re- 

 signing the President's Chair, ix. 



Carlile (H.) on the motions and 

 sounds of the heart, 454. 



Challis (Rev. J.), report on hydro- 

 statics and hydrodynamics, 131. 



Christie (S. H.), report on the mag- 

 netism of the earth, 105. 



Chronometers, application of a glass 

 balance-spring to, 421. 



Circulation in plants, on, 32. 



Colours of plants, on the, 55. 



Compressibility of water, on, 131, 

 353. 



Cumming (Rev. J.) on some electro- 

 magnetic instruments, 418 ; on an 

 instrument for measuring the heat- 

 ing effect of the sun's rays, 418. 



Decomposition, on electro-chemical, 

 393. 



Dent (E. J.) on the application of a 

 glass balance-spring to chronome- 

 ters, 421. 



Daubeny (Dr.) on the action of 

 light upon plants, 436. 



Earth, on the magnetism of the, 



105. 

 Eddies in rivers, on the causes of, 



169. 

 Eel, on the reproduction of the, 446. 

 Electrical attraction, some new phce- 



nomena of, 386. 

 Electricity, on, 390. 

 Electro-chemical decomposition, on, 



393. 



