250 



REPORT 1869. 



Tchihatchef (M.), " Pal(^ontoloi?ie de 

 I'Asie Mineure/' by, 100 ; on Central 

 Asia, 168. 



Teaching physical science, the Rev. W. 

 Tuckwell on the method of, 199. 



Technical education of the agricultural 

 labourer, J. Bailey Denton on the, 182. 



Teeth and dermal structure associated 

 with Ctenacanthus, James Thomson 

 on, 102. 



Teleosauriis from the Upper Lias, C. 

 Moore on a specimen of, 97. 



Telescopes, Newtonian, G. Johnstone 

 Stoney on collimators for adjusting, 

 52. 



Temperature and humidity of the air up 

 to 1000 feet, from observations made 

 in the car of M. Gitfard's captive 

 balloon^ James Glaisher on the changes 

 of, 27. 



Temperature higher than 212° F. in 

 certain solutions by steam of 212° F., 

 Peter Spence on raising a, 75. 



*Tennant (Professor J.) on the diamonds 

 received from the Cape of Good Hope 

 during the last year, 101. 



*Terra-Cotta clay at Watcombe, Tor- 

 quay, R. Etheridge on the occuiTence 

 of a large deposit of, 87. 



Tertians, F. W. Newman on curves of 

 the third degree, here called, 10 ; cur- 

 ■\-ature of surfaces of the second degree, 

 F. W. Newman on, 13. 



Thames Valley at Acton and Ealing, 

 Colonel A. Lane Fox on the discovery 

 of flint implements of the Palaeolithic 

 type in the gravel of the, 1.30. 



Theory of distance, W. K. Clifford on 

 the, 9. 



Thermodynamic theory of waves of finite 

 longitudinal disturbance, W. J. Mac- 

 quorn Rankine on the, 14. 



Thomson (James) on new forms otPtero- 

 2)la.r and other carboniferous Laby- 

 rinthodonts, and other Mi-f/alichthys, 

 101 ; on teeth and dermal structure 

 associated with Ctenacanthus, 102. 



Thomson (Prof Wyville) on the suc- 

 cessful dredging of H.M.S. 'Porcu- 

 pine, 115. 



*Tin, block, D. Fritsche's notes on 

 structural changes in, G7. 



Tomlinson (Charles) on the supposed 

 action of light on combustion, 78. 



* on a remarkable structural ap- 

 pearance in phosphorus, 78. 



Trade-routes between Northern India and 

 Central Asia, T. D. Forsyth on, 161. 



Transporting power of water, Thomas 

 Login on the roads and railways of 



Northern India as effected by the 

 abrading and, 214. 



Trappean conglomerates of Middletown 

 IliU, Montgomeryshire, G. Maw on 

 the, 96. 



*Tristram (Rev. Dr.) on the eflfect of 

 legislation on the extinction of ani- 

 mals, 118. 



Trout, five years' experience showing in 

 what waters, will and wiU not thrive, 

 by W. F. Webb, 118. 



Tuckwell (the Rev. W.) on the method 

 of teaching physical science, 199. 



Tyndall (Professor), Prof. Aug. Morren 

 on the chemical action of light dis- 

 covered by, 24. 



Vaccine, human, Ijonpli and heifer lymph 

 compared, by Dr. Henry Blanc, 118. 



Vacuum-tubes, J. P. Gassiot on the me- 

 tallic discharge obtained from the in- 

 duction-discharge in, 46. 



Vancouver's Island and British Colum- 

 bia, Dr. R. King on the natives of, 

 225. 



Vapeur d'eau, Dr. Janssen sur le spectre 

 de le, 67. 



Vapour, Dr. Balfour Stewart on meteoro- 

 logical reductions, with especial refer- 

 ence to the element of, 43. 



*Varley (F. H.) on the electric balance, 

 46. 



Varley (S. Alfred) on railway passen- 

 gers' and guards' communication, 220. 



Ventilation, J. D. Morrison on a new 

 system of house-, 219. 



Vivian (E.) on self-registering hj'gro- 

 meters, 53. 



Voltaic electricity in relation to physio- 

 logy, W. Kencely Bridgman on, 119. 



Volumetric analysis. Dr. W. J. Russell 

 on the measurement of gases as a 

 branch of, 74. 



*LTmbilici of anallagmatic surfaces, W.K. 



Cliflbrd on the, 9. 

 Upper Lias, C. Moore on a specimen of 



Teleosauriis from the, 97. 

 Urine, the Rev. W. V. Harcom-t on the 



solvent treatment of uric-acid calculus, 



and the quantitative determination of 



uric acid in, 122. 



Wake (C. Staniland) on initial life, 151 ; 



on the race-affinities of the Made- 



casees, 151. 

 Walnut, Dr. T. L. Phipson on some new 



substances extracted from the, 74. 

 * Warner (T.) on chambered spirit-levels, 



54. 



