INDEX. 



[An asterisk (*) signifies that no abstract of the communication is given. .] 



OBJECTS and rules of the Association, 

 xxi. 



Places and times of meeting, with names 

 of officers from commencement, xxviii. 



List of former Presidents and Secretaries 



• of the Sections, xxxv. 



List of evening lectures, xlvii. 



Lectures to the Operative Classes, xlix. 



Table showing the attendance and 

 leceipts at the Annual Meetings, 1. 



Treasurer's account, lii. 



Officers of Sectional Committees present 

 at Dublin, liii. 



Officers and Council for 1878-70, Iv. 



Report of the Council to the General 

 Committee at Dublin, lvii. 



Recommendations adopted by the 

 General Committee at Dublin : — In- 

 volving grants of money, lviii ; appli- 

 cations for reports and researches not 

 involving grants of money, lxi ; com- 

 munications ordered to be printed in 

 extenso, lxiii; resolutions referred to 

 the Council by the General Com- 

 mittee, lxiii. 



Synopsis of grants of money appropriated 

 to scientific purposes, lxiv. 



Places of meeting for 1879 and 1880, lxv. 



General statement of sums which have 

 been paid on account of grants for 

 scientific purposes, lxvi. 

 General meetings, lxxv. 



Address by the President, William 

 Spottiswoode, Esq., M.A., D.C.L., 

 LL.D., F.E.S., F.R.A.S., F.K.G.S., 1. 



Abel (Prof. F. J.) on patent, legislation, 



157 ; on the use of steel for structural 



purposes, 157. 

 Aberdare (Lord) on the work of the 



Anthropometric Committee, 152. 

 Aborigines, tropical, some tribes of, T. J. 



Hutchinson on, 589. 

 Absorption spectrum of chlorochromic 



anhydride, G. J. Stoney and Prof. J. E. 



Reynolds on the, 434. 

 Adam Smith's theory of rent, W. D. 



Henderson on, 677. 



Adams (Prof. Leith) on the exploration 



of the Fermanagh Caves, 183. 

 Adams (Prof. W. G.) on a new form of 

 polariscope, 480. 



Adulteration Act, the, in so far as it 

 relates to the prosecution of milk 

 sellers, E. H. Cook on, 50(5. 



Alaska, the characteristic features of, as 

 developed by the U.S. Survey, W. H. 

 Dall on, 633. 



Alkalimetry, a new method of, by L. 

 Siebold, 509. 



Alkaloids, report on the chemistry of 

 some of the lesser-known, especially 

 veratria and bebeerine, 105. 



Allen (J. R.) on the prehistoric sculptures 

 of Ukley, Yorkshire, 580. 



Aluminium alcohols, Dr. Gladstone and 

 A. Tribe on, 508. 



Anatomy and Physiology, Address by Dr. 

 McDonnell to the Department of, 593. 



•Anderson (Dr. A. F.) on a case of com- 

 mensalism in the holothuria, 559. 



*Anderson (R.) on lightning conductors, 

 457. 



•Annual parallax of stars, researches 

 made at Dunsink on the, by Prof. R. 

 S. Ball, 482. 



Ansted (Prof.) on underground tempera- 

 ture, 178. 



Anthropology, Address by Prof. Huxley 

 to the Department of, 573. 



Anthropometric Committee, report of 

 the, 152. 



*Ants, the hal'its of, Sir J. Lubbock on, 

 559. 



Arabia Petraaa, a journey on foot through, 

 by Rev. F. W. Holland, 622. 



Arctic Expedition, the late British, Capt. 

 Feilden and Mr. De Ranee on the geo- 

 logical results of, 548. 



Artizans' Dwellings Act, population dis- 

 placed by, how to meet the require- 

 ments of, by Sir J. Watson, 658. 



Atmosphere, the geological relations of 

 the, T. S. Hunt on, 544. 



Atmospheric electricity at Madeira, re- 

 port on arrangements for taking obser- 

 vations of, 103. 



