INDEX II. 



219 



Barth(Dr.), description of Timbuctoo, its 

 population and commerce, 140. 



Belcher (Capt. Sir Edward) on the disco- 

 very of Ichthyosaurus and other fossils 

 in the late Arctic searching expedition, 

 1852-54, 79 ; on the trunk of a tree 

 discovered erect as it grew, within the 

 Arctic circle, to the northward of the 

 narrow strait which runs into the Wel- 

 lington Sound, 101 ; on the late Arctic 

 expedition, 147. 



Bennett (Dr. J. Hughes) on the law of 

 molecular elaboration in organized bo- 

 dies, 119. 



Bentham (Lady) on an improved mode 

 of keeping accounts in our national 

 establishments, 159 ; on continuous 

 work in dockyards, 205. 



Berkleyan controversy, an attempt to solve 

 some of the difficulties of the, by well- 

 ascertained physiological and psycholo- 

 gical facts, 123. 



Billings (R. M.) on the mechanical prin- 

 ciples of ancient tracery, 205. 



Binocular vision of surfaces of different 

 colours, on the, 9. 



Birds, on the muscles of the extremities of, 

 137. 



Births, deaths, and marriages, on the fluc- 

 tuations in the number of, in the metro- 

 polis during 1840 to 1854 inclusive, 

 167. 



Blyth (Prof) on the cleavage of the De- 

 vonians of the south of Ireland, 82. 



Boat-plug, on a simple, 208. 



Bonapartea for furnishing fibre for paper 

 pulp, on the, 101. 



Bone, episcaphoid, in both hands of a 

 Guarani man, 134, 



Botany, 99. 



Boult(J.) on the importance of periodical 

 engineering surveys of tidal harbours, 

 illustrated by a comparison of the sur- 

 veys of the river Mersey by the late F. 

 Giles, and the marine surveys of the 

 Port, 147, 205. 



Bowring (Sir John), an account of his 

 mission to Siam, 149. 



Brachiopoda, on the, observed in a dredg- 

 ing tour with Mr. M'Andrew on the 

 coast of Norway, 106. 



Braid (James) on the physiology of fas- 

 cination, 120. 



Brain, on the explanation of the crossed 

 influence of the, 136; of the Troglo- 

 dytes niger, 139. 



Brand (Mr. Consul) on the Portuguese 

 possessions of South-west Africa, 147. 



•Brass,' on the chemical composition of 

 some iron ores called, 66. 



Bread, on a new mode of making, 64 ; on 

 the composition of, 66. 



Brewster (Sir David) on the triple spec- 

 trum, 7 ; on the remains of plants in 

 calcareous spar from King's county, 

 Ireland, 9 ; on the existence of Acari 

 in mica, ib. ; on the binocular vision of 

 surfaces of different colours, ib.; on the 

 absorption of matter by the surfaces of 

 bodies, ib. ; on the phenomena of de- 

 composed glass, 10. 



Bromine, on the allotropic modifications of, 

 analogous to the ozone from oxygen, 48. 



Broun (Astronomer) on the establish- 

 ment of a magnetic meteorological and 

 astronomical observatoi-y on the moun- 

 tain of Angusta Mullay, at 6200 feet, 

 in Travancore, 25. 



Brown (Alexander) on the fall of rain at 

 Arbroath, 30. 



Bryce (James) on the glacial phasnomena 

 of the Lake district of England, 80 ; on 

 a lately discovered tract of granite in 

 Arran, 80. 



Bryson (Alexander) on sections of fossils 

 from the coal-formation of Mid-Lo- 

 tliian, 80. 



Buchanan (Dr. A.) on the physiological 

 law of mortality, and on certain devia- 

 tions from it, observed about the com- 

 mencement of adult life, 160; on a 

 mechanical process by which a life table 

 commencing at birth may be converted 

 into a table, in every respect similar, 

 commencing at any other period of 

 life, 163. 



Buchanan (John) on ancient canoes found 

 at Glasgow, 80. 



Buist (George) on remarkable hailstorms 

 in India, from March 1851 to May 

 1855, 31. 



Bunsen (Prof.), photochemical researches 

 with reference to the laws of the che- 

 mical action of light, 48. 



Burton (Lieut.-Col.), account of a visit to 

 Medina from Suez, by way of Jambo, 

 147. 



Cadmacetite, on the optical properties of, 

 11. 



Caithness, fossil plants of the old red 

 sandstone of, 85. 



Calculating machine of Messrs. Scheiitz, 

 on mechanical notation as exemplified 

 in the, 203. 



California, on the growth and commercial 

 progress of the Pacific state of, 188. 



Calvert (Prof. F. Grace) on the manu- 

 facture of iron by purified coke, 49 ; on 

 alloys, 50 ; on the action of sulphuretted 



