INDEX. 



723 



cubic surface referred to a pentad of 

 co-tangential points, 491. 



Jeffreys (Dr. Gwyn) on the possibility of 

 establishing a " close time " for indi- 

 genous animals, 146 ; on the occupa- 

 tion of a table at the zoological station 

 at Naples, 149. 



Jephson (H. L.) on the desirability of 

 simultaneous and identical legislation 

 for England and Ireland, 673. 



Jevons (Prof.) on a common measure of 

 value in direct taxation, 220 ; on the 

 pedetic action of soap, 435 ; the perio- 

 dicity of commercial crises, and its 

 physical explanation, 666. 



Jolly (W.) on the fossils in the North- 

 west Highlands of Scotland, 130. 



Joule (Dr.) on the mechanical equivalent 

 of heat, 102. 



Kennedy (Prof. A. B. W.) on Babbage's 



analytical machine, 92. 

 Kentish boring exploration, report on 



the, 380. 

 Kent's Cavern, Devonshire, fourteenth 



report of the Committee for exploring, 



♦King (Prof. W.) on the age of the 



crystalline rocks of Donegal, 547. 

 Kitchener (Lieut. H. H.) on the survey 



of Galilee, 624. 

 Knowles (W. J.) on flint factories at 



Portstewart and elsewhere in the North 



of Ireland, 579. 



Labyrinthodont amphibia and fish found 

 in the coal of Jarrow colliery, near 

 Castlecomer, county of Kilkenny, Ire- 

 land, W. H. Baily on some additional, 

 530. 



Ladd (W.) on Edmunds' electrical phono- 

 scope, 448 ; on Byrne's compound plate 

 pneumatic battery, 448. 



Lagrange's determinental equation of 

 small oscillations, the occurrence of 

 equal roots in, F. Purser on, 463. 



* equations, the applicability of, to 



certain problems of fluid motion, Prof. 

 J. Purser on, 463. 



♦Lake Lob, Richthofen, Prejevalsky, and, 

 E. D. Morgan on, 629. 



Lalor (Dr. J.) on the education and 

 training of the insane, 667. 



*Land, the creation of a public commis- 

 sion to purchase, for resale to occupiers 

 in Ireland, F. Nolan on, 662. 



, the simplification of transfer of, 



J. H. Edge on, 663. 



• question, the condition of small 



farmers, and their position with re- 

 ference to the, M. O'Brien on, 661. 



Lane (D.), on a new form of electro re- 



gistering apparatus, 454 ; on an iso- 

 chronic pendulum, 455. 

 Lankester (Prof. Ray) on the occupa- 

 tion of a table at the zoological station 

 at Naples, 149. 

 Law (H.) on the discharge of sewage in 

 tidal rivers, 695. . 



Law of force to any point when the orbit 

 is a conic, J. W. L. Glaisher on the, 

 464. 

 Lawson (Inspector-Gen.) on the work of 



the Anthropometric Committee, 152. 

 Lead and platinised lead as a substitute 

 for carbon and platinised silver in 

 Leclanch6, bichromate, and Smee's 

 batteries, E. T. Hardman on, 453. 



chloride, the electrical properties 



of bees' wax and, Profs. J. Perry and 

 W. E. Ayrton on, 497. 

 Leared (Dr. A.) on a journey to Fez and 



Mequinez, 631. 

 Lebour (G. A.) on experiments to deter- 

 mine the thermal conductivities of 

 certain rocks, 133 ; on underground 

 temperature, 178 ; on the circulation 

 of underground waters, 382 ; on the 

 discovery of marine shells in the 

 Gannister beds of Northumberland, 

 539. 

 Lee (J. E.) on the exploration of Kent's 

 Cavern, 124 ; on the erratic blocks of 

 England, Wales, and Ireland, 185. 

 Lefevre (G. Shaw) on the work of the 



Anthropometric Committee, 152. 

 Left-handedness, Dr. H. Muirhead on, 



582. 

 *Lepidoptera, Irish, recent additions to 



the list of, by R. H. Sinclair, 572. 

 Letts (Prof. E. A.) on the thetines, 511. 

 Levant, the islands in the, Dr. J. S. 



Phene on, 634. 

 Levi (Prof. L.) on the work of the An- 

 thropometric Committee, 152 ; on a 

 common measure of value in direct 

 taxation, 220. 

 Lewis (A. L.) on the evils arising from 

 the use of historical national names as 

 scientific terms, 583. 

 Lewis (Dr. W.) on the work of the Anthro- 

 pometric Committee, 152. 

 Lift -bridge, a new, for the Midland 

 Great Western Railway, over the 

 Royal Canal at Newcomen Bridge, 

 Dublin, description of, by B. B. 

 Stoney, 697. 

 ♦Lightning conductors, R. Anderson on, 



457. 

 Linear differential equations, Rev. R. 



Harley on certain, 466. 

 Livingstonia : the opening up of the 

 East African lake district, by J. Ste- 

 venson, 636. 

 Lockyer (J. N.) on the oscillation-fre- 

 quencies of solar rays, 37. 



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