108 



SECTIONS. INDEX OF AUTHORS, 



of auriferous quartz extracted at different 

 depths from tlio same lode, 1853, 50. 



Blakely (Capt.) on the proportion between 

 the length required for an electric tele- 

 graph cable and its specific gravity, 1857, 

 II. 



■ on improvements in ordnance, 1857, 



179. 



on rifled cannon, 1860, aoi. 



Blakiston (Dr.) on respiratory sounds, and 

 on the voice, 1839, 99. 



Blanckly (Capt.), two Peruvian mummies 

 presented to the Devon and Cornwall 

 Natural History Society by, 1841, 75. 



Bland (Hon. W.) on an atmotic ship, 1860, 

 60. 



*Blech (Dr.) on South African languages, 

 1854, 126. 



*Bleeker (Dr.), descriptions of genera of 

 fish from Java, 1859, 144. 



Blundell (Dr. J. W. F.) on an Australian 

 expedition, 1854, 125. 



Blunt (H.) on a model of the moon's sur- 

 face, 1849, 1. 



*Blyth (W.) on the manufacture of sul- 

 phuric acid, 1842, ^.o. 



Blyth (Prof.) on the cleavage of the De- 

 vonians of the south of Ireland, 1855, 82. 



*Bode (Baron de) on the country to the 

 west of the Caspian Sea, 1859, 177. 



*BoD]\tEB (J. C.) on the new double-piston 

 steam-engine, 1844, 98. 



on a new apparatus for starting heavy 



machinery, 1844, 98. 



on a new furnace grate, 1844, 98. 



* , improved cutting tools, 1844, 99. 



on long- and short-stroked steam-en- 

 gines, 1846, 113. 



^BoGUSLAwsKi's (Prof.) report on the mag- 

 netic observations made at Breslau with 

 the magnetic instruments belonging to 

 the Association, General Sabine's notice 

 of, 1842, 19. 



on a stand applicable to the use of 



astronomical telescopes, 1845, 6. 



on the formation of coal, &c., by Dr. 



Gopping, 1847, 66. 



BoiLEAu (Sir J. P.) on the state of the 

 agricultural labourers in the county of 

 Norfolk, 1845, 89. 



, statistics of mendicancy, 1848, 105. 



Bois-Eeymond (Dr. E. du) on a new effect 

 produced on muscles by the electric cur- 

 rent, 1852, 78. 



BoLLAERT (G. A.) on the meteoric iron of 

 Atacama, 1851, 84. 



BoLLAERT (W.) on the Comanche Indians, 

 1846, 116. 



— — on tJie Indian tribes of Texas, 1846, 

 116. 



* on certain tribes of South America, 



1851, 84. 



, observations on the great earthquake 



experienced in Chile, 1851, 85. 



* on the sources of common salt, 1852, 



41, 



BoLLAERT (W.) on the distribution of 

 common salt, and other saline bodies, 

 with a view to show their primary origin 

 and subsequent formations, 1852, 100. 



, ethnological and antiquarian researches 

 in New Granada, Quito, and Peru, and 

 on the pre-incareal, incareal, and the 

 monuments of neighbouring nations in 

 Peru, 1857, 121. 



* on the geography of Southern Peru, 



1859, 177. 



Bond (G. P. and R.F.) on an apparatus 

 for making astronomical observations by 

 means of electro-magnetism, 1851, 21. 



Bond (W. C), notice of curves representing 

 the changes of magnetic declination ob- 

 served by, 1841, 27. 



BoNOMi (J.) on a gigantic bird sculptured 

 on the tomb of an officer of the household 

 of Pharaoh, 1845, 63. 



on an apparatus for measuring and re- 

 gistering two dimensions of the human 

 frame, 1845, 76. 



on the figures of birds observed on a 



tomb at Memphis, 1846, 79. 



on a map of ancient Egypt of the 



time of Antoninus Pius, 1848, 66. 



BoNTEMPS (G.) on some modifications in 

 the colouring of glass by metallic oxides, 

 1849, 34. 



Boole (Prof. G.) on the equation of La- 

 place's functions, 1845, 2. 



* on a method of definite integration, 



1847, I. 



on the theory of astronomical observa- 

 tions, 1857, 2. 



* on certain additions to the integral 



calculus, 1857, 2. 



*BooTH (A.) on spontaneous combustion, 

 1841, 50. 



* on some fii-es produced from spon- 

 taneous combustion, 1842, 40. 



* on fires at Liverpool, and on spon- 

 taneous combustion, 1843, 39. 



* on the chemical composition of 



smoke, its production, and influence on 

 organic substances, 1843, 39. 



Booth (Mr.) on an apparatus for raising 

 miners and minerals from deep mines, 

 1843, 100. 



Booth (Rev. Dr. J.) on a new method of 

 converting rectilinear into rotatory mo- 

 tion, 1845, 94. 



on a general method of deriving the 



properties of umbilical surfaces of the 

 second order, having three unequal axes, 

 from the properties of the sphere, 1858, 2. 



on the mutual relations of inverse 



curves and inverse curved surfaces, 1858, 



3- 



on an instrumetit for describing spirals, 



1858, 207. 



on the relations between hyperconic 



sections and elliptic integrals, 18G0, 4. 



* on a new general method for establish- 

 ing the theory of conic sections, 1860, 4. 



