INDEX TO VOL. V. 



A.CID, lithic, action of the sun's rays 

 on; conversion of into oxalic, 512. 



• , liquefaction and solidification of, 



541. 



' , effect of, on the tendrils of plants, 



684. 



Adams (J. C), Copley medal awarded 

 to, 773. 



Addington (Mr.), letter from, concerning 

 fall of aerohtes, 932. 



Addison (W.) on some peculiar modifi- 

 cations of the force of cohesion, with 

 reference to the forms and structure 

 of clouds, films and membranes, 560. 



Aerolites, fall of, on the coast of Bar- 

 bary, 932. 



Agar (J.) on the resolution of numerical 



equations, 515. 

 Air-passages in crocodilia, homologies of, 



927. 



Air, resistance of, to railway trains, 

 606. 



Airy (G. B.) on the laws of the tides on 

 the coast of Ireland, &c., 539. 



— , Royal medal awarded to, 575. 



Albumen, hydrated deutoxide of, in the 

 urine, 673. 



— — — , experiments on the freezing of, 

 906. 



Alcohol, absolute, value of, in spirits of 

 different specific gravities, 682. 



Alexander (Robert), obituaiy notice of, 

 488. 



Alimentary canal, contributions to the 

 physiology of, 784 ; movements o£ the 

 stomach in different states ; greatest 

 movement in the filled stomach and in 

 early digestion, pyloric contractions 

 distinguish the one from the other, 

 diverse movement of the food and of 

 the muscles ; demonstration by ex- 

 periment, 785 ; two currents in the 

 liquefied food, physiology of intestinal 

 obstructions ; fcecal vomiting produced 

 by a physical cause ; inverted move- 

 ment not caused byantiperistalsis; arti- 

 ficial occlusion by ligature, 786 ; vo- 

 miting induced ; development of axial 

 and reversed currents, 787. 



Alkaline bodies secreted by animals, 560. 



Alkaloids, artificial, nitrogenous principles 

 of vegetables, the sources of, 840 ; 

 methods of obtaining, derivable from 

 coal, product obtained from horse- 



beans, 840; its analysis; devoid of 

 aniline, in common with oil cake and 

 wheat ; wood devoid of nitrogenous 

 matter, 841 ; bearing of the fact on the 

 origin of coal ; generation of ammonia 

 always accompanied by formation of 

 volatile organic bases, 842. 

 Alkaloids, indefinite multiplication of, 

 905. 



Allen (W.), obituary notice of, 532. 



Aluminum, compact, account of ; fusibi- 

 lity of, 548. 



Ammonia, solid crystals of, 542. 



, analysis and decomposition of the 



compounds of, 599. 



, its conversion into hydrobromate 



of ethylamine, &c., 905. 



'Afiopcpiora (No. 1), on a case of super- 

 ficial colour, &c., 547. 



(No. 2), on the epipolic dispersion 



of hght, &c., 549. 



Analysis, new method of, 499. 



, general methods in, for the resolu- 

 tion of hnear equations in finite differ- 

 ences and linear differential equations, 

 814. 



Andrews (T.) on the thermal changes 

 accompanying basic substitutions, 497. 



, royal medal awarded to, 523. 



, on the heat disengaged during me- 

 tallic substitutions, 732. 



Animalcule undescribed, allied to the 

 genus Notommata, 800; description of, 

 development of the young ; copulation 

 in the ovisac ; circulation and respira- 

 tion similar to that of insects, 801. 



Animal heat, miscellaneous observations 

 on, 496. 



, independent of the carbon and 



hydrogen in food, 628. 

 Animals, secretion of carbon by, 509. 



• , education of, 512, 



Anniversary Meetings : Nov. 30, 1843, 



476; Nov. 30, 1844. 519; Dec. 1, 



1845, 570; Nov. 30, 1846, 631 ; Nov. 



30, 1847, 697; Nov. 30, 1848, 771; 



Nov. 30, 1849, 857 ; Nov. 30, 1850, 



1001. 



Arithmetical series, certain properties of, 

 852. 



Arterialization, process of, 677. 

 Atmosphere, vapours of, modify the 



effect of solar radiation on silver plates 



coated with iodine, 680. 



7* 



