134 INDl 



Man, on the dog as the associate of, 81. 



, on the stature and relative proportions 



of, 82. 

 Mantell (G. A.) on a newly-discovered spe- 

 cies of Unio, from the Wealden strata of 

 the Isle of Wight, 42. 

 Map of the British Isles and part of France, 



on a geological, 55. 

 , on new Swedish and Norwegian geolo- 

 gical, 55. 



, ethnographical mode of constructing, 



84. 

 Mathematics, 1. 

 Matter, constitution of, 41. 

 Matteucci (M.) experiments with zinc on the 



limbs of a frog, 38. 

 Mayer (Serjeant) a year's meteorological ob- 

 servations made at Aden, 22. 

 M'Andrew (Mr.) dredging operations on the 

 coast of Anglesea, 63. 



on some animals new to the British seas, 



discovered by, 64. 

 M'Conochie (Capt.) on the statistics of the 

 criminal population of Norfolk Island, 93. 

 Mechanical science, 96. 

 Medical science, 84. 

 Mercer (John, jun.) on the solvent power of 



solutions of acetates, 32. 

 Merionethshire, discovery of gold ore in, 56. 

 Merriman (Dr. S. AV. J.) on the comparative 



frequency of uterine conception, 85. 

 Metallic cyUnders, on a new machine for as- 

 certaining the diameter of, 98. 

 Meteorological observations made at Aden,22. 



at Christiana in 1843, 27. 



at the Ahen observatory, 28. 



Meteorology, communications from Norway 



on, 27. 

 Mexico, on the theor\- and practice of amal- 

 gamation of silver ores in, 28. 

 Meynell (T.) on the fishes of Yorkshire, 62. 

 MiUer (Gen.) on the Sandwich islanders, 83. 

 Mineral springs and other waters of York- 

 shire, 28, 105. 

 Mines, on the Grassington lead, 52. 

 Mining industry of France, on the, 86. 

 Mining records^ and the means by which their 



preser\ation may be best eusm-ed, 42. 

 Mollusca, on a new genus of nudibranchiate, 



65, 66. 

 Moore (0. A.) on the flora of Yorkshire, 70. 

 Moro (Signor Gaetano) on the communica- 

 tion between the Atlantic and Pacific 

 oceans, through the isthmus of Tehuan- 

 tepec, 58. 

 Morphia, on the influence of the endermic 

 application of the salts of, in swelling of 

 the joints, 86. 

 Morphology of the reproductive system of 



Sertularian zooph\ies, 68. 

 Morris (Rev. Francis Oi-pen> on a plan for 

 preventing the steahng of letters by letter 

 carriers, 103. 



on zoological nomenclature, 78. 



Mortality of Calcutta, on the, 88. 

 ;Mouutaiii hmestone of Yorkshire, 30. 



Murchison (R. I.) on the Palaeozoic rocks of 

 Scandinavia and Russia, particularly as to 

 the Lower Silurian rocks which form their 

 true base, 53. 



on new Swedish and Norwegian geo- 

 logical maps, 55. 



Muscular current of the frog, on the, 38. 



Muspratt (J. S.) on the supposed formation 

 of valerianic acid from indigo, and on the 

 acid which is formed by the action of hy- 

 drate of potash upon Lycopodium, 33. 



'Slute, additional facts relative to the case of 

 a bUnd and deaf, 85. 



Myers (the Rev.T.) on ethno-epo-graphy, 84. 



Naphtha, action of nitric acid on, 33. 



Nasm\th'ssteampUe-driver,Dr.Greenon, 98. 



Natatores, 60. 



Ne\vfounclland, supposed extinct inhabitants 

 of, 83. 



Newton, on the alternate spheres of attrac- 

 tion and repulsion noticed by, 39. 



Nitric acid, action of, on naphtha, 33. 



Norfolk Island, physical character and geo- 

 logy of, 57. 



, on the statistics of the criminal popu- 

 lation of, 93. 



Norway, communications on meteorology 

 from, presented by John Lee, LL.D., 27. 



Nudibranchiate mollusca, on a new genus of, 

 65, 66. 



Numbers, on the double square representation 

 of prime and composite, 2. 



O'Brien (Rev. M.) on the propagation of 

 waves in a resisted medium, with a new 

 explanation of the dispersion and absorp- 

 tion of light, and other optical phaeno- 

 mena, 8. 

 Oceans, on the communication between the 

 Atlantic and Pacific, through the isthmus 

 of Tehuantepec, 58. 

 Odontophorinse, a monograph of the sub- 

 family, 61. 

 Oldham (Thomas) on the occurrence of ma- 

 rine shells in the gravels of Ireland, 57. 

 Oolitic limestone of Yorkshire, 31. 

 Opal, cause of the colours in precious, 9. 

 Ophiocaryon paradoxa, on the, 71. 

 Optical phaenomenon, on the cause of an, 



observed by the Rev. W. Selwyn, 8. 

 Ores, on the theorj' and practice of amalgama- 

 tion of, in Mexico and Peru, 28. 



, discovery of gold, in Merionethshire,56. 



Orthochronograph, on the, 14. 

 Owen (Prof.) on a human skull from South 

 Australia, 63. 



on the conversion of the skidl, by the 



Aboriginals of South .^.ustralia, into vessels 

 for holding and carrying water, 77. 

 Oxyhydrogen flame, on increasing the inten- 

 sity of the, 33. 



Palaeozoic rocks of Scandinavia and Russia, 



on the, 53. 

 PapiliouaceaB, new genus of, 71. 



