W9 



law commissioners on the state of the poor 

 in Scotland, 35. 



Alligator, on the discovery of an, in the fresh- 

 water cliff at Hordwell, associated with 

 extinct mammalia, 50. 



Allis (T.), report on the birds of Yorkshire, 

 prepared at the request of the Yorkshire 

 Philosophical Society, 60. 



on some pecuharities in the flight of 



birds, 72. 



on the cultivation of ferns, 73. 



Allman (Prof.) on a new genus of parasitic 

 Arachnideans, 65. 



on the anatomy of Acteon viridis, 65. 



on a new genus of nudibranchiate Mol- 



lusca, 65. 



on a new genus of helianthoid Zoo- 

 phytes, 66. 



on the structure of Lucernarise, 66. 



Alsine stricta, 72. 



Alsop (John) on the toadstones of Derby- 

 shire, 51. 



America, on the partridges of, 61. 



, southern Umits of the Esquimaux race 



in, 78. 



on the languages of, 83. 



on steam navigation in, 97. 



Amphitype, a new photographic process, 12. 



Amygdaloid, on the Exeter, 55. 



Anemometer, on an improved, 23. 



Anglesea, records of dredging operations on 

 the coast of, 63. 



Animals, formation or secretion of carbon 

 by, 33. 



, on some new to the British seas, 64. 



, suggestions for the observation of pe- 

 riodic changes in, 70. 



Ansted (Prof.) on mining records, and the 

 means by which their preservation may be 

 best ensured, 42. 



Arachnideans, on a new genus of parasitic, 

 65. 



Argonauta Argo, further experiments and ob- 

 servations on the, 74. 



on the polypus of the, 76. 



Ascidians, compound, on the position of the, 

 in the zoological scale, 66. 



Astronomer Royal (The) on the state of the 

 reductions of the planetary and lunar ob- 

 servations made at Greenwich, 2. 



on the results of the tide observations 



on the coast of Ireland, 4. 



Atherstone Union, on the statistics of the, 

 93. 



Attraction and repulsion, on the alternate 

 spheres of, 39. 



Audiences, on the construction of buildings 

 for the accommodation of, 99. 



Aitfora borealis as seen at Alteu, on the, 27. 



Australian race and language, on the eastern 

 hmits of the, 80. 



Aves aquaticas, 60. 



terrestres, 59. 



Babington (Mr.) addition to the list of Bri- 

 tish plants, 72. 



Bacchetti (Dr.) on a case of extra-uterine 

 pregnancy, 85. 



Ball (Mr.) on the peculiar stmcture of the 

 hoof of the Giraffe, 63. 



Barbacenia, new species of, 71. 



Barege mobile, or canahzation of rivers, ex- 

 planation of the, 99. 



Barometer in the climate of London, solar 

 variations through the seasons of the, 1 4. 



, relation of the average, to the vrinds 



and rain of the cycle, 17. 



, on the irregular movements of the, 21. 



, diurnal variations of the, 22. 



tubes, on an instrument called a baro- 

 meter-pump for filling, in vacuo, 24. 



Barometrical registration, on simultaneous, 

 in the north of England, 21. 



Bateman (John) on the collection of water 

 for the supply of towns, 100. 



Bateman (Joseph) on Mr. Phillips's method 

 of discovering adulteration in tobacco, 29. 



Bathymetrical distribution of submarine life 

 on the northern shores of Scandinavia, 50. 



Batten (Edmund) on the explanation of cer- 

 tain geological phEenomeua by the agency 

 of glaciers, 57. 



Bengal, on the statistics of hospitals for the 

 insane at, 89. 



Bevan (Dr.) on a new life-boat, 99. 



Bile, on the functions of the, 86. 



Birds, catalogue of, observed in S.-E. Dur- 

 ham, and in N.-W. Cleveland, 59. 



of Yorkshire, on the, 60. 



, periodical, observed in 1843 and 1844, 



at Llanrwst, North Wales, 61. 



, peculiarities in the flight of, 72. 



Birmingham (T.) on the advantages to be 

 obtained by turning canals into railways, 

 especially as applicable to the Royal Canal 

 lying between the city of Dublin and the 

 river Shannon, 97. 



Blackwall (John) periodical birds observed 

 in 1843 and 1844 near Llanrwst, North 

 Wales, 61. 



Bhnd, on the instruction of the, 86. 



, on an apparatus by which they can read 



and write, 99. 



Boats, on propelling, 98. 



Bodies, solid, on the falhng oflf from perfect 

 elasticity in, 25. 



, on an instrument for measuring, to a 



minute degree of accuracy, 27. 



Bodmer (J. G.) on a new apparatus for start- 

 ing heavy machinery, 98. 



on a new furnace grate, 98. 



on the new double piston steam-engine, 



with a model, 98. 



on improved cutting tools, 99. 



Boscovich, on the alternate spheres of attrac- 

 tion and repulsion noticed by. 39. 



Botany, 59. 



Bowness (E.) on a plan for drawing coals 

 from pits without ropes or chains, 98. 



Bowriug (J. C.) on the theory and practice 

 of amalgamation of silver ores in Mexico 

 and Peru, 28. 



