185 



Maugham (W.), on obtaining an in- 

 crease of atmospheric pressure, 73. 



Mechanical science, 150. 



Medical science, 120. 



Megatherium, on the structure of the 

 tooth of the, 146. 



Mercury, binoxide of, and bicyanide, 

 a new compound of, 59. 



Mercury, new salts of, 72. 



Metropolis, on the number of fires in 

 the, 170. 



Mexico, on the government map of, 

 98. 



Microscopical discoveries, 1 16. 



Middletonite, on, 60. 



Miller (W. H.) on WoUaston's gonio- 

 meter, 153. 



Milne (D.) on the Berwick and North 

 Durham coal-fields, 76. 



Mines, on the use of wire ropes in, 

 150. 



Mining industry in France, progress 

 and amount of, 174. 



Mining records, importance of pre- 

 serving, 156. 



Models exhibited, 163. 



Mollusca, on the distribution of, 112. 



Morren (Prof.) on the production of 

 vanilla in Europe, 116. 



Morrison (Lt.) on the magnet-electro- 

 meter, 74. 



Mortimer (J.) on a fish with four 

 eyes, 1 10. 



Motella cimbria, of Linnaeus, 109. 



Motley (T.) on the construction of a 

 railway with cast-iron sleepers, 

 157. 



on a suspension bridge over the 



Avon, 157. 



Murchison (R. I.) on the Silurian sy- 

 stem of strata, 80. 



Murray (J.) on the water of the Dead 

 Sea, 73. 



Myliobatis, on the teeth of the, 138. 



Nerves, on the functions of the eighth 

 pair of, 124. 



Newcastle, educational statistics of, 

 165 ; on the church- and chapel- 

 room in All Saint's parish, 166 ; 

 a return of prisoners in, 166 ; on 

 the water-works of, 164 ; statistical 

 notices of the blind asylum, 167. 



Newcastle coal-field, 74. 



Nicholson (P.) on the oblique arch, 

 152. 



Nitrate of silver, as a caustic and the- 

 rapeutic agent, 132. 



, blackened by light, 63. 



Nitric acid, on the products obtained 

 by its action on alcohol, 55. 



Nitrogen, on the specific gravity of, 

 64. 



Norwich, on vertical lines of flint in 

 the chalk near, 87. 



Novaia Zeml'ia, Russian expeditions 

 to, 96. 



Oblique arch, on the, 152. 

 Odontograph, on the, 154. 

 Oran (Mr.) on cementing small coal 



and coal dust for fuel, 85. 

 Organic remains, antiquity of, 95. 

 Ostrich, African, on the toes of the, 



107. 

 Owen (Prof.) on the structure of the 



teeth, 135. 



on Marsupiata, 105. 



Oxygen gas, an attempt to liquefy, 'JT . 

 and hydrogen, combination of, 



68. 



, specific gravity of, 64. 



Pagellus acarine, 109. 



Parnell (R.) on some new and rare 



British fishes, 109. 

 Pattinson (H. L.) on the extraction of 



silver from lead, 50. 

 Peat bogs, on, 95. 

 Pendulums, improvements in, 35. 

 Pentland (J. B.) on the position of the 



city of Cuzco, 99. 

 Petroleum, on the origin of, 60. 

 Phillips (R.) on a blue pigment, 60. 

 Pholades, on the boring of. 111. 

 Phosphorus, specific gravity of the 



vapour of, 64. 

 Pigment, blue, on a, 60, 61. 

 Pinus and Abies, on the genera, 117. 

 Plague and quarantine, on, 120. 

 Platinum, the combination of hy- 

 drogen and oxygen efi^ected by, 68. 

 Polyodon folium, 116. 

 Porter (G. R.) on the progress and 



present amount of mining industry 



in France, 174. 

 Portlock (Capt.) on the Silurian rocks 



in Tyrone, 84. 

 Potass, caustic, chemical action of 



light in the decoloration of recent 



solutions of, 61. 

 Powell (Prof.) on the theoryof light,6. 



