710 



INDEX. 



Galapagos Islands, a visit to the, in H.M.S. 

 'Triumph,' 1880, by Capt. Markham, 

 665. 



Galloway (Mr.) on underground tem- 

 perature, 26. 



Galton (Capt. D.) on the circulation of 

 i^nderground waters, 87 ; on patent 

 legislation, 318 ; on the phenomena of 

 the stationary tides in the English 

 Channel and the North Sea, and the 

 value of tidal observations in the 

 North Atlantic Ocean, 390. 



Galton (F.) on the work of the Anthro- 

 pometric Committee, 120 ; on determin- 

 ing the heights and distances of clouds 

 by their reflexions in a low pool of 

 water, and in a merciurial horizon, 

 469 ; on a pocket registrator for anthro- 

 pological purposes, 625. 



Gamgee (Dr.) on palajontological and 

 zoological researches in Mexico, 254. 



Gases, the specific resistance of, at dif- 

 ferent pressures, and the specific in- 

 ductive capacity of a good Sprengel 

 vacuum, preliminary report of the 

 Committee for accurately measurina;, 

 197. 



Geddes (Mr.) on palasontological and 

 zoological researches in Mexico, 254. 



Geikie (Prof.) on underground tempera- 

 ture, 26. 



Genese (Prof. E. W.) on the equations to 

 the real and to the imaginaiy direc- 

 trices and latcra recta of the general 

 conic («,, h, c, e,f, g, h) {x, yl )- = ('; 

 with a note on a property of the 

 director circle, 480. 



Geographical Section, Address by Lieut. - 

 Gen. Sir J. H. Lefroy to the, 646. 



*Geographical teaching, pictorial aid to, 

 G. G. Butler on, 660. 



Geological age and relations of the 

 Siwalik and Pikermi vertebrate and 

 invertebrate faunas, W. T. Blanford 

 on the, 577. 



Geological evidence of the temporary sub- 

 mergence of the South-west of Europe 

 during the earlj- human period. Prof. 

 Prestwich on the, 581. 



' Geological Record," report on the, 87. 



Geological Section, H. C. Sorby's Addi-ess 

 to the, 565. 



Geology, mineralogy, and palaeontology of 

 Wales, list of works on the (to the end 

 of 1873), by W. "Whitaker, 397. 



of British Columbia, sketch of the, 



by G. M. Dawson, 588, 



of the Balearic Islands, Dr. Phen6 



on the, 585. 



, the submarine, of the English 



Channel off the coast of South Devon, 

 A. Pi. Hunt on, 573. 



*Geometry, inverse figures in, Prof. H. J. 

 S. Smith on, 476. 



eometr}^ non-Euclidian, notes on, by 

 E. S. Ball, 476. 



Gesture and sign language, the antiquity 

 of, and the origin of characters and 

 speech, Hyde Clarke on, 630. 



Gilbert (Dr. J. H.; Address by, to the 

 Chemical Section, 507. 



Gill (D.) on improvements in astro- 

 nomical clocks, 56. 



Gimingham (C. H.) on improvements in 

 astronomical clocks, 56. 



Gladstone (Dr. J. H.) on the appoint- 

 ment of H.M. inspectors of elementary 

 schools, 219 ; on the refraction-equiva- 

 lent of diamond and the carbon com- 

 pounds, 535. 



Glaisher (J.) on underground tempera- 

 ture, 26; on mathematical tables, 30; 

 on observations of luminous meteors 

 during the year 1879-80, 39 ; on the 

 circulation of underground waters, 

 87. 



Glaislier (J. W. L.) on mathematical 

 tables, 30 ; on the deduction of trigo- 

 nometrical from elliptic function for- 

 mula, 477; on algebraical exi^ansions, 

 of which the fractional .series for the 

 cotangent and cosecant are the limiting- 

 forms, 482 ; note on a trigonometrical 

 identity involving products of four 

 sines, 484. 



Godwin-Austen (Lieut.-Col. H. H.) on 

 the steps taken for investigating the 

 natural history of Socotra, 212 ; on the 

 post-tertiary and more recent deposits 

 of Kashmir and the Upper Indus 

 Valley, 589. 



Gooch (W. D.) on the stone age in South 

 Africa, 622. 



Gordon (J. E. H.) on accurately measur- 

 ing the specific inductive capacity of a 

 good Sprengel vacuum, and the specific 

 resistance of gases at different pres- 

 siires, 197. 



Grant (Prof.) on the measurement of the 

 lunar disturbance of gravity, 25. 



Greek profile (incorrectly so called),, 

 additional remarks on the, by J. Park 

 Harrison, 625. 



Grubb (H.) on imjirovements in astro- 

 nomical clocks, 56. 



Giijither (Dr.) Address by, to the Biolo- 

 gical Section, 591. 



*Hall (W. E.) on the loading of ships, 

 699. 



Hallett (P.) on the work of the Anthro- 

 pometric Committee, 120. 



Hancock (Dr. N.) on the German and 

 other systems of teaching the deaf t» 

 speak, 216 ; on patent legislation, 318 ; 

 on the present appropriation of wages 

 and sources of income, 318. 



Harlech Mountains, Merionethshire, some 



