272 



REPORT — 1875. 



Jevons (Prof. W. S.) on the progress of 

 the coal question, 216 ; *on the in- 

 fluence of the sun-spot period upon 

 the price of corn, 217. 



Johnston (K.) on journeys in Paraguay 

 in 1874-75, 193. 



*Kent's Cavern, Torquay, W. Pengelly 

 on archaBological discoveries in, 177. 



Kinahan (G. IL) on the drifting power 

 of tidal currents and that of wind- 

 waves, 74. 



Kingzett (C. T.) on the oxidation of 

 the essential oils, 43. 



Kirghiz, or Buruts, R. Michell on the 

 supposed lost language and antiquity 

 of the, 176. 



*Lahour, D. A. Spalding on free trade 

 in, 220. 



Labj'rinthodont amphibia, a new species 

 of, from the coal at Jarrow Colliery, 

 near Castlecomer, co. Kilkenny, 

 description of, by W. H. Baily, 62. 



*Laplace's differential equation of the 

 tides, general integi-ation of, by Sir 

 W. Thomson, 23. 



* process for determining an arbi- 

 trary constant in the integration of 

 his differential equation for the semi- 

 diurnal tide, Sir W. Thomson on, 23. 

 theory of tides, some effects of, 



Sir W. Thomson on, 23. 



Lipworth (C.) and Prof. H. A. Nichol- 

 son on the central group of the Silu- 

 rian series of the North of England, 

 78. 



Lead, T. Fairley on a proposed process 

 for tlie estimation of, 42. 



Leather, sole-, S. Evans on the manu- 

 facture of, in Bristol, 41. 



* , , on the tanning of, in 



Bristol, 209. 



Lebour (G. A.) on the limits of the 

 Yoredale series in the North of Eng- 

 land, 74. 



Legislative protection to the birds of 

 Europe, C. O. Groom-Napier on, 217. 



*Leitner (Dr.) on an ethnological and 

 linguistic tour of discovery in Dardis- 

 tan, &c., 176. 



*Librarie8, free public, Miss Stamp on 

 statistics of, 220. 



Life, P. Hallett on the bearings of " the 

 conservation of force ' on, 169. 



, European, Dr. F. J. Moiiat on the 



value of, in India, 217. 



•Lighthouses, Sir W, Thomson and 

 J. Hopkiusoii on methods of giving 

 distinctive characters to, 253. 



Lighthouses, revolving, J. Hopkinson on 

 improvements in the clockwork of, 

 248. 



*Linear transformations, Prof Clifford 

 on the theory of, 11. 



*List of meteors observed at 0.x;ford, by 

 the Rev. R. Main, 24. 



Lonsdale (N. L.) on mechanical self- 

 registering apparatus for barometer, 

 thermometer, rain- and wind-gauges, 

 260. 



Lower boulder-clay or till with shells, 

 W. A. Tr.iill on the occurrence of a, 

 in the counties of Down and Mayo, 

 Ireland, 83. 



Lymphatics, Drs. G. and F. E. Iloggau 

 on the origin of the, 105. 



*M'Kendrick (Dr.) and Prof. Dewar, 

 further researches on the phj'siologi- 

 cal action of the chinodine and pyri- 

 dine bases, 165. 



Mackintosh (D.) on the geological 

 meaning of the term " river-basin," 

 and the desirability of substituting 

 " drainage-area," 75 ; on the origin 

 of two polished and sharpened stones 

 from Cefn Cave, 75 ; queries and re- 

 marks relative to existing ice-action 

 in Greenland and the Alps, compared 

 with former ice-action in the N.W. 

 of England and Wales, 76 ; on an- 

 thropology, sociology, and national- 

 ity, 176 ; *on the prevailing mode of 

 preparation for competitive examina- 

 tions, 217. 



M^Murtrie (J.) on certain isolated areas 

 of mountain-limestone at Luckington 

 and Yobster, 76. 



M-^Nab (Prof W. R.) on a variety of 

 Poh/pofJium vulf/are, 158 ; on a variety 

 of Itubus, 158. 



'Magnetic distribution, H. A. Rowland 

 on, 29. 



equator in the Gulf of Siam and in 



the Gulf of Bengal, Dr. J. Janssen on 

 the position of the, 28. 



*Magnetism of soft iron, Sir W. Thom- 

 son on effect of stress on the, 2v). 



'Magnetized rings, plates, and disks of 

 hardened steel, experiments on, bv 

 P. Braham, 28. 



*Maguetizing function of iron, nickel, 

 and cobalt, II. A. Rowland on the, 29. 



Magneto-electric induction, .1. A. Fle- 

 ming on the decomposition of an elec- 

 trolyte by, 28. 



light, Capt. Abuey on tlie ratio of 



the actinic power to the illunnuatiug 

 power of the, 25. 



