728 



RETORT — 1878. 



Shannon, the improvement of the navi- 

 gation, &c, of, J. Neville on, 691. 



Shaw (Prof. J. J.) on sime economic 

 fallacies of trades unionists, 675. 



Sbelford (W.) on the control of rivers, 

 690. 



Ship-raising machine, a new, T. A. Dillon 

 on, 713. 



Shoolbred (J. N.) 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, 217 ; on the datum- 

 level of the Ordnance Survey of Great 

 Britain, and the tabulation and com- 

 parison of other datum-marks, 219 ; on 

 instruments for measuring the speed 

 of ships, 219 ; on the present state of 

 electric lighting, 706. 



Siberia, the mammoth in, H. H. Howorth 

 on, 571. 



Siebold (L.), a new method of alkali- 

 metry, 509. 



Siemens (Dr. C. W.) on the elasticity 

 of wires, 103 ; on patent legislation, 

 157 ; on the use of steel for struc- 

 tural purposes, 157 ; on instruments 

 for measuring the speed of ships, 

 219. 



Simpson (Prof. M.), Address by, to the 

 Chemical Section, 501. 



*Sinclair (R. W.), recent additions to the 

 list of Irish Lepidoptera, 572. 



Slieve Gulliori, the ancient volcanic dis- 

 trict of, J. Nolan on, 527. 



Smith (Prof. H. J. S.) on mathematical 

 tables, 172 ; *on the modular curves, 

 463 ; *on quadric transformation, 

 465. 



Soap, the pedetic action of, Prof. W. S. 

 Jevons on the, 435. 



Solar rays, catalogue of the oscillation- 

 frequencies of, 37. 



Sorby (H. C.) on the exploration of the 

 Settle Caves (Victoria Cave), 377. 



Sounds which accompany the diffusion of 

 gases through a thin septum, the de- 

 tection by means of the microphone of, 

 W. C. Roberts on, 517. 



*Space numbers : an extension of arith- 

 metic, B. H. Hinton on, 486. 



*Specific inductive capacity, an account 

 of some experiments on, by J. E. H. 

 Gordon, 433. 



Spectres photographiques, la constitution 

 des, quand Taction lumineuse est ex- 

 tremement court e, Dr. J. Janssen sur, 

 445. • 



* Spectroscope of unusually large aper- 

 ture, G. J. Stoney on a, 441. 



Sperf/vlaria marina, the stipules of Prof. 

 A. Dickson on the, 568. 



Spherical class-cubic with three single 

 foci, H. M. Jeffery on the, 490. . 



Spheroidal drops, R. J. Moss on, 489. 



, the cause of travelling motion of, 



G. J. Stoney on, 442. 



, the support of, and allied pheno- 

 mena, G. J. Stoney, G. F. Fitzgerald, 

 and R. J. Moss on, 441. 



Spottiswoode (W.) on the oscillation- 

 frequencies of solar rays, 37 : on the 

 eighteen co-ordinates of a conic in 

 space, 462. 



Stanhope " demonstrator " or logical ma- 

 chine, Rev. R. Harley on the, 442. 



Stationary tides in the English Channel 

 and the North Sea, report on the pheno- 

 mena of the, 217. 



Statistics, Economic Science and, Address 

 by Prof. J. K. Ingram to the Section of, 

 641. 



Steel for structural purposes, report on 

 the use of, 157. 



Steering of screw steamers, Prof. O. 

 Reynolds on the, 697. 



of vessels, the effect of propellers 



on the, report on, 419. 



Stevenson (J.), Livingstonia : the opening 

 up of the East African lake district, 

 636. 



Stewart (Prof. Balfour) on the mechani- 

 cal equivalent of heat, 102. 



Stokes (Prof. G. G.) on mathematical 

 tables, 172. 



Stone (W. H.) on the rate of cardiac 

 hypertrophy, 608., 



Stoney (B. B.) on recent improvements 

 in the port of Dublin, 1 67 ; description 

 of a new lift-bridge for the Midland 

 Great Western Railway, over the Royal 

 Canal at Newcomen Bridge, Dublin, 

 697. 



Stoney (G.J.) on the oscillation-frequen- 

 ciesof solar rays, 37 ; *on a spectroscope 

 of unusually large aperture, 441 ; on 

 the cause of travelling motion of 

 spheroidal drops, 442. 



and Prof. J. E. Reynolds on the 



absorption spectrum of chlorochromic 



anhydride, 434. 

 , G. F. Fitzgerald, and R. ,7. Moss on 



the support of spheroidal drops and 



allied phenomena, 441. 

 Strachey (Maj.-Gen.) on the datum- 

 level of the Ordnance Survey of 



Great Britain, and the tabulation and 



comparison of other datum-marks, 



219. 

 Strawberry, some substances obtained 



from the root of the, Dr. T. L. Phip- 



son on, 514. 

 " Strike,'' the influence of, on the physical 



features of Ireland, E. T. Hardman on, 



541. 

 Succession, chattel and freehold, the 



assimilation of, J. H. Edge on, 663. 

 Sugar contained in the nectar of various 



