INDEX II. 



125 



Partridges of America, 61. 



Paxton (Mr.) on the great fountain at Chats- 

 worth, erected by the Duke of Devonshire, 

 102. 



Peach (Charles "William) on marine zoology, 

 64. 



on the natural history of Goran in Corn- 

 wall, 65. 



Peretti (Prof.) on the bitter principles of some 

 vegetables, 84. 



Perigal (Henry, jun.) on the probable mode 

 of constructing the Pyramids, 103. 



Peru, on the theory and practice of amalga- 

 mation of silver ores in, 28. 



Phaenomena, on optical, 8. 



Phillips (Prof.) on the curves of annual tem- 

 perature at York, 21. 



on simultaneous barometrical registra- 

 tion in the north of England, 21. 



■ on the quantities of rain received in 



gauges at unequal elevations upon the 

 ground, 21. 



Phillips (Mr.), Dr. Bateman on his method 

 of discovering adulteration in tobacco, 29. 



Phosphorite rock in Spanish Estreraadura, on 

 the, 28. 



Photographic images, property of sulphate 

 of iron in developing, 36. 



process, on a new, 12, 36. 



Photography, on, 37, 105. 



Physical geography, 42. 



Physics, 1. 



Pile-driver, on Nasmyth's steam, 98. 



Planetary and lunar observations, state of the 

 reductions of the, made at Greenwich, 2. 



Plesiosaurus, on a large specimen of, found 

 at Kettleness, 49. 



Polarization in liquids, on an attempt to ex- 

 plain on mechanical principles the phseno- 

 menon of circular, 7. 



of hght, on certain points connected 



with, 7. 



• , by rough surfaces, 11. 



Poor law commissioners, on the report of the, 

 on the state of the poor in Scotland, 95. 



Porter (G. R.) on the mining industry of 

 France, 86. 



Powell (the Rev. Prof.) on certain points 

 connected vrith elliptic polarization of 

 light, 7. 



Power (Madame Jeanette), further experi- 

 ments and observations on the Argonauta 

 Argo, 74. 



, on the polypus of the Argonauta Argo, 



76. 



Pregnancy, on a case of extra-uterine, 85. 



Probabilities, principle in the theory of, 1. 



Pterochilus, description of, 66. 



Pyramids, on the probable mode of construct- 

 ing the, 103. 



Quaternions, on a theory of, 2. 



Railway accident, on the causes of the great 



Versailles, 97. 

 Railway trains, on the resistance of, 9i^fi,cfc4 



Railways, advantages to be obtained by turn- 

 ing canals into, 97. 



, on wooden, 97. 



Rain, comparison of the, which fell at Flo- 

 rence Court with that at Belfast, from 

 July 6, 1843 to July 6, 1844, 14. 



, on the quantities of, received in gauges 



at unequal elevations upon the ground, 21. 



Rankin (Rev. T.) on the temperature of the 

 air at various soundings of Huggate WeU, 

 upon the Wolds of the East Riding, York- 

 shire, 22. 



— — on a thunder-storm on Yorkshire Wolds, 

 July 5, 1843, 23. 



Raptores, 59. 



Rasores, 60. 



Rawson (Mr.) on the summation of infinite 

 series, 2. 



Repulsion, on the alternate spheres of at- 

 traction and, 39. 



Richards (Rev. W.) on the natives of the 

 Hawaiian Islands, 82. 



Rigg (Robert) on the formation or secretion 

 of carbon by animals, the disappearance of 

 hydrogen and oxygen, and the generation 

 of animal heat during the process, 33. 



Rivers, on the excavation of rocky channels 

 by, by the recession of their cataracts, 45. 



, on the canalization of, 99. 



Rock, phosphorite, in Spanish Estreraadura, 

 28. 



, palaeozoic, of Scandinavia and Russia, 



53. 



, stratification of igneous and sediment- 

 ary, of the Lower Sihuian formation in 

 North Wales, 56. 



Rooke (J.) on the relative age and true po- 

 sition of the millstone grit and shale, in 

 reference to the carboniferous system of 

 stratified rocks in the British Pennine chain 

 of hills, 51. 



Royal Exchange, on the shape of the teeth of 

 the wheels of the clock in the new, 8, 



Russell (J. Scott) on the tides of the east 

 coast of Scotland, 6. 



on the nature of the soundwave, 11. 



on the resistance of railway trains, 96. 



Russia, palaeozoic rocks of, 53. 



Sandstone, on a nail found imbedded in a 



block of, 51. 

 Sandwich islanders, on the, 83. 

 Savings banks, on the financial oeconomy of, 



92. 

 Scandinavia, on the bathymetrical distribu- 

 tion of submarine life on the northern 



shores of, 50. 



, palaeozoic rocks of, 53. 



Scantlometer, on the 99. 



Schomburgk (Chevalier) on a new species of 



Barbacenia, 71. 

 on the Ophiocaryon paradoxa, the snake 



nut tree, 71. 



on the Calycophyllum Stanleyanum, 71. 



description of Lightia lemniscata, a new 



genus of the family Buttneriaceae, 71. 



