INDEX II. 



las 



Arago (M.) on the distribution of electri- 

 cal currents in the rotating disc of, 5. 



Arctic regions, on contributions to the 

 ancient geography of the, 91- 



Arracan, on late surveys in, 92. 



Astronomy, 12. 



Atlantic, on the surface temperature 

 and great currents of the north, and 

 northern oceans, 18. 



Atlantic and Pacific, on the proposed 

 new route between the, by the River 

 Maule in Chili, 82. 



Atmospheric pressure during long periods 

 of time, on a proposed barometric pen- 

 dulum for the registration of the mean, 

 26. 



Auriferous quartz, on the comparative 

 richness of, extracted at different 

 depths from the same lode, 50. 



Australia, on the interior of, 89- 



Ayrshire fossils, on some, 6 1 . 



Balfour (Dr.), exhibition of British 

 Lichens, containing dyeing lichens, 

 37 ; on some new plants, 63. 



Balkan, on a journey to the, from Con- 

 stantinople, 84. 



Ballj'rizora, on refracted lines of cleavage 

 seen in the slate-rocks of, 61. 



Banking and currency, on an improved 

 system of, 97- 



Bate (Speuce) on the morphology of the 

 Pycnogonidae, and remarks on the de- 

 velopment of the ova in some species 

 of isopodous and amphipodous Crus- 

 tacea, 66. 



Bateraan (J. F.), description of some of 

 the large valves and other machinery 

 which have been employed for the dis- 

 charge of water at the Manchester 

 Waterworks, 113. 



Beckett (Charles) on the dialects north 

 and south of the Humber compared, 

 73. 



Bennoch (Francis), some suggestions for 

 an improved system of currency and 

 banking, 97. 



Bilingual town, on the traces of a, in 

 England, 88. 



Birds, on some living aquatic, at Santry 

 House, near DubUn, 66 ; on a curious 

 exempUfication of instinct in, 71. 



Bismuth, on the magnetism of rotation 

 in masses of crystallized, 6. 



Blake (Dr. J.) on the comparative rich- 

 ness of auriferous quartz extracted at 

 diflferent depths from the same lode, 

 50 ; on the physiological action of in- 

 organic substances introduced directly 

 into the blood, 66. I 



Blood, on the physiological action of in- 

 organic substances introduced directly 

 into the, 66 ; of the influence of the 

 circulation of the, on the mental func- 

 tions, 66. 



Bone, on the connexion between cartilage 

 and, 71. 



Botany, 62. 



Boulders, on the formation of, 54. 



Brewster (Sir David) on the optical phee- 

 • nomena and crystallization of tourma- 

 line, titanium, and quartz within mica, 

 amethyst, and topaz, 3 ; on the pro- 

 duction of crystalline structure in 

 crystallized powders by compression 

 and traction, ib. 



Britain, palaeozoic rocks of, classification 

 and nomenclature of, 54. 



British Empire, electoral statistics of the, 

 107. 



Brough, analysis of deposit from the 

 Humber at, 49. 



Buckman (Prof.) on the cornbrash of 

 Gloucestershire and part of Wilts, 50 ; 

 on the growth of Symphytum oflSci- 

 nale, 63. 



Buist (George) on the currents of the 

 Indian seas, 12. 



Burgoyne (Lieut. -Gen. Sir John), com- 

 munication regarding the progress 

 made in the publication of the Trigono- 

 metrical Survey, 37. 



Bursaria, on the structure of, 65. 



Calcium, on the employment of penta- 

 sulphate of, as a means of preventing 

 and destroying the grape disease, 46 ; 

 pentasulphate of, as a remedy for grape 

 disease, 63. 



Carpentaria in N. Australia, on the cli- 

 mate of the gulf of, 91. 



Cartilage and bone, on the connexion 

 between, 71. 



Census, on the results of the, of Great 

 Britain in 1851, 98 ; summary of the, 

 of Switzerland, 102. 



Chaix (Prof. Paul), summary of the cen- 

 sus of Switzerland, 102. 



Charlesworth (Edward) on the curious 

 spiral body in certain fossil sponges, 

 and of several other remarkable fossils 

 from the Yorkshire strata, 51. 



Chemistry, 3?. 



Cheshire (Edward) on the results of the 

 census of Great Britain in 1851, with 

 a description of the machinery and 

 processes employed to obtain the re- 

 turns, 98 ; statistics relative to Nova 

 Scotia in 1851, 102. 



Chesney (Colonel), on the tubular or 



