INDEX. 



711 



pre-Cambrian rocks in the, Dr. H. 

 Hicks on, 584. 



Harrison (J. Park) on the work of the 

 Anthropometric Committee, 120; ad- 

 ditional remarks on the Greek proiile 

 (incorrectly so called), G25 ; on the 

 I3ritish flint-workers at Brandon, G26. 



Harting: (J. E.) on the possibility of 

 establish'.ng a close time for indigenous 

 animals, 'io7. 



Hartlaub (Lr. G.) on the steps taken for 

 investigating the natural history of 

 Socotra, 212. 



Hartley (Prof.) on the present state of our 

 knowledge of spectrum analysis, 258. 



♦Hastings (G. W.), Address by, to the 

 Section of Economic Science and 

 Statistics, 671. 



Haughton (Rev. Prof.) on the exploration 

 of the caves of the South of Ireland, 

 209. 



Head-kidney, the origin of the, A. Sedg- 

 wick on, 644. 



Heat, the loss of, ii. steam boilers arising 

 from incrustation, the determination 

 of, W. Thomson on, 549. 



Heliograph or sun sigxal, an improved, 

 by Dr. T. Anderson, 4tl. 



Henderson (W.) on a now process for 

 separating silver from copper contained 

 in copper ores and reguluses, 546 ; 

 remarks and statistics relating to 

 Swansea usages and customs as they 

 affect the sellers of foreign or colonial 

 copper ores, 681. 



Herschel (Prof. A. S.) on un(!erground 

 temperature, 26 ; on observations of 

 luminous meteors during tlie year 

 1879-80, 39. 



Heywood (J.) on the work of the Anthro- 

 pometric Committee, 120; on the 

 Gei-man and other systems of teaching 

 the deaf to speak, 216 ; on tl* appoint- 

 ment of H.M. inspectors of ebmentary 

 schools, 219 



Hicks (Dr. H.) on some pre-Cimbriaa 

 rocks in the Harlech Mointains, 

 Merionethshire, 584. 



High insulation key for electrometer 

 work, an improved form of, rej^ort of 

 the Committee for devising anc con- 

 structing, 29. 



Hittites, W. St. C. Boscawen on the 632. 



Hodges (F. W.) on bleaching povder 

 residue, 560. 



Hooker (Sir J,) on the steps taken for 

 investigating the natural historj of 

 Socotra, 212. 



Hughes (Prof.) on the erratic blocks of 

 England, Wales, and Ireland, 110. 



Hull (Prof. E.) on undergroimd tempe-a- 

 ture, 26 ; on the circulation of undtr- 

 ground waters, 87. 



Hunt (A. Pi.) on the submarine geoloj-y 



of the English Channel off the coast of 



South Devon, 573. 

 Hunter (Capt. F. M.) on the steps taken 



for investigating the natural history 



of Socotra, 212. 

 Huntington (Prof. A. K.) on the present 



state of our knowledge of spectrum 



analysis, 258. 

 Huxley (Prof.) on the occupation of a 



table at the zoological station at 



Naples, 161. 

 Hyper- elliptic integrals, the periods of 



the first class of, W. R. Roberts on, 485. 



Ichthyosaurus from the lias of England 

 and Wiirtemberg, report on the mode 

 of reproduction of certain species of, 68. 



Images photographiques, les transforma- 

 tions successives des, et les appli- 

 cations a I'astronomie, J. Janssen sur, 

 500. 



*Incrustation of steam boilers, W. Thom- 

 son on the, 703. 



*India the home of gunpowder, on philo- 

 logical evidence, by Dr. G. Oppert, 636. 



Induction balance, note on the theory 

 of, by Lord Rayleigh, 472. 



*Indus, the, to Candahar, the high road 

 from, by Sir R. Temple, 658. 



Influence of bodily exercise on the elimi- 

 nation of nitrogen, report on the, 159 



Ink used in vrriting letters and docu- 

 ments, the identification of, W. Thom- 

 son on, 549. 



Inspectors, H.M., of elementary schools, 

 report as to whether it is important 

 that they should be appointed with 

 reference to their ability for examining 

 in the scientific specific subjects of the 

 Code in addition to other matters, 219. 



*Ivens (Lieiit. R.) and Capt. H. Capello 

 on the results of the Portuguese ex- 

 pedition in West Central Africa, 659. 



Janssen (J.) sur les transformations suc- 

 cessives des images photographiques, 

 et les applications il I'astronomie, 500. 



Jeffery (H.M.) on plane and spherical 

 curves of the fourth class with quad- 

 ruple foci, 478. 



Jeffreys (Dr. J. Gwyn) on the occupation 

 of a table at the zoological station at 

 Naples, 161 ; on the possibility of es- 

 tablishing a close time for indigenous 

 animals, 257 ; on the French deep-sea 

 exploration in the Bay of Biscay, 378 ; 

 list of the mollusca procured, 382 ; 

 further remarks on the mollusca of the 

 Mediterranean, 601. 



Jevons (Prof.) on the present appropria- 

 tion of wages and sources of income, 

 318. 



Jones (B.) on the antiquities of Lovighor 

 Castle, 620. 



