1«7 



Sowerby (G. B.) on certain monstro- 

 sities of Encrinus moniliformis, 115. 

 on Lycopodiura lepidophyllum, 



119. 

 Sphaerodus, on the teeth of the extinct 



genus, 142. 

 Stereoscope, Wheatstone's, 16. 

 Sternoptix, on new species of the 



genus, 110. 

 Stethoscope, improved, 129. 

 Stevens (J.), a return of prisoners in 



Newcastle, from Oct. 2, 1837, to 



Aug. 2, 1838, 166. 

 Storms, on the law of, 21. 

 Strickland (A.) on a species of Scyl- 



lium, 107. 



on the Ardea alba, 106. 



Sugar, diabetic, on, 43. 



Sulphate of lime with water, on a new 



compound of, 59- 

 Sulphur, specific gravity of the vapour 



of, 64. 

 Suspension-bridge over the Avon, on 



a, 157. 

 Sykes (Lt.-Col.) on a rare animal from 



South America, 104. 

 on the statistics of vitality in 



Cadiz, 174. 



Tanning, a new process for, 7 1 • 



Tchadda river, the outlet of the lake 

 Tchad, 99. 



Teale (T. P.) on the gemmiferous 

 bodies and vermiform filaments of 

 Actiniae, 113. 



Teeth, human, origin and development 

 of the, 121. 



— — , on the structure of the, 1 35. 



, fossil, of the Sauroid fishes, 90. 



Telegraph, new, 159- 



Temperature, its effect on the regula- 

 tors of time-keepers, 35. 



Tetrao Rakelhahn, on, 107. 



Thermal springs of North America, 91 . 



Thomson (Dr. A. T.) on the medicinal 

 and poisonous properties of the io- 

 dides, 123. 



Thomson (Dr. R. D.) on Mr. Farr's 

 law of recovery and mortality in 

 cholera, 126. 



on nitrate of silver as a caustic 



cind therapeutic agent, 132. 



Thomson (Dr. T.) on the foreign sub- 

 stances in iron, 4 1 . 



on the sugar in urine of diabetes, 



43. 



Thomson (Dr. T.) on native diar- 



seniate of lead, 46. 



on emulsin, 48. 



Tipula Tritici, 113. 

 Torbock(R.),mode of arresting uterine 



hsemorrhage, 133. 

 Toxodon, 147. 

 Trimmer (J.) on diluvial drift con- 



tainingshells and remains of animals 



in Cefn Cave, 86. 

 Turner (J. A.) on a new species of 



goliathus and some Lucani, 113. 



Uterine haemorrhage, mode of arrest- 

 ing, 133. 



Vanilla, on its production in Europe, 



116. 

 Vegetable monstrosities, on, 120. 

 Veins, action of substances injected 



into the, 129. 

 Velasquez de Leon (Lt.-Col.) on the 



government-map of Mexico, 98. 

 Viaducts of timber, on constructing, 



150. 

 Visible direction, on the law of, 7- 

 Vision, on an ocular parallax in, 7. 

 Volcanos, lunar, 93. 

 Voltaic combination, its influence on 



chemical action, 69. 



Wallace (Clay) on some preparations of 

 the eye by, 14. 



Wallace (Mr.) on an inosculation in 

 two trees, 120. 



Washington (Capt.), account of a Man- 

 dingo, native of Nyani-Marii, 97. 



on expeditions to the Antarctic 



seas, 97. 



, account of the various Govern- 

 ment surveys in Europe, 98. 



Water, methods of filtering, 163. 



, machine for raising it by an 



hydraulic belt, 158. 



of the Dead Sea, chemical exa- 

 mination of, 73. 



Water-works of Newcastle-on-Tyne, 

 on the, 164. 



Watson (Rev. J.) on the Helm wind 

 of Crossfell, 33. 



Webb (T. W.) on lunar volcanos, 93. 



West (W.) on some new salts of 

 mercury, 72. 



Wharton (W. L.), statistical tables of 

 the engines, ventilation, pitmen, &c., 

 of nine collieries in Durham, 169. 



