INDEX. 



727 



some of the derivatives of furfurol, 

 512 ; *exhibition of Victor Meyer's 

 apparatus for taking vapour densities 

 of substances with high boiling points, 

 517. 



Ramsay (Prof.) on underground tempera- 

 ture, 178. 



Rawson (Sir R.) on the work of the 

 Anthropometric Committee, 152. 



Reade (M.) on the circulation of under- 

 ground waters, 382. 



Redgrave (A.) on the work of the Anthro- 

 pometric Committee, 152. 



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

 Henderson on, 677. 



Reynolds (Prof. JVE.) on the oscillation- 

 frequencies of solar rays, 37 ; *a short 

 account of Baeyer*s synthesis of indigo, 

 517. 



■ and G. J. Stoney on the absorption 

 spectrum of chlorochromic anhydride, 

 434. 



(Prof. O.) on the phenomena of 



thestationary tides in the English Chan- 

 nel and the North Sea, and the value of 

 tidal observations in the North Atlantic 

 Ocean, 217 ; on the effect of propellers 

 on the steering of vessels, 419 ; on the 

 steering of screw steamers, 697. 



Riccati's equation, the solution of a dif- 

 ferential equation allied to, J. W. L. 

 Glaisher on, 469. 



*Richthofen, Prejevalsky, and Lake Lob, 

 E. D. Morgan on, 629. 



River control, J. C. Hawkshaw on, 687. 



floods, the effect of river or arterial 



drainage works upon, J. Dillon on, 

 687. 



Rivers, the control of, W. Shelford on, 

 690. 



Roberts (E. ) on the datum-level of the 

 Ordnance Survey of Great Britain, and 

 the tabulation and comparison of other 

 datum-marks, 219. 



Roberts (I.) on the filtration of water 

 through Triassic sandstone, 397. 



Roberts ( W. C.) on the chemistry of some 

 of the lesser-known alkaloids,especially 

 veratria and bebeerine, 105 ; on the 

 detection by means of the microphone 

 of sounds which accompany the diffu- 

 sion of gases through a thin septum, 

 517. 



Rocks of Ulster as a source of water- 

 supply, W. A. Traill on the, 537. 



Rolleston (Prof.) on the work of the 

 Anthropometric Committee, 152 ; on 

 the examination of two caves near 

 Tenby, 209. 



*Romanes (G. J.) on the nervous system 

 of the Medusae, 601. 



*Roscoe (Prof. H. E.) on some fluor com- 

 pounds of vanadium. 507. 



*Rosse (the Earl of) on an equatorial 



mounting for a three-foot reflector, 



477. 

 *Route, the best, to attain a high 



northern latitude, or the Pole itself, 



Dr. J. Rae on, 636. 

 Rowan (F. J.) on the design and use of 



boilers, 712. 



Sabine (R.) on motions produced by 

 dilute acids on some amalgam sur- 

 faces, 435. 



Sacral dimple, the occurrence of, and its 

 possible significance, Dr. L. Tait on, 

 606. 



Sacrum, the aberrant form of the, con- 

 nected with Naegele's obliquely con- 

 tracted pelvis, Dr. A. Thomson on, 

 605. 



Sales of property, suggestions for a Bill 

 to regulate, by J. H. Monahan, 662. 



Sand bars in rivers and harbour en- 

 trances, a process for cutting through, 

 C. Bergeron on, 708. 



Sanford (W. A.) on the exploration of 

 Kent's Cavern, 124. 



*Saurians of the Dakota cretaceous rocks 

 of Colorado, Prof. E. D. Cope on the, 

 545. 



Scientific terms, the evils arising from 

 the use of historical national names 

 as, A. L. Lewis on, 583. 



Sclater(Mr.) on the occupation of a table 

 at the zoological station at Naples, 

 149. 



*Sclavs, the spread of the, H. H. Howorth 

 on, 590. 



Scotland, the fossils in the North-West 

 Highlands of, report on, 130. 



Scottish Alpine plants, some rare, Dr. I. 

 B. Bayley on, 570. 



Screw steamers, the steering of, Prof. O. 

 Reynolds on, 697. 



*Screws of inertia of a free or constrained 

 rigid body, the principal, Prof. R. S. 

 Ball on, 463. 



Selache maxima, the gill skeleton of, 

 Dr. A. Macalister on, 600. 



Selenate of ammonium, the action of 

 heat on the, Prof. E. W. Davy on, 509. 



Senebiera didi/via, the inflorescence of, 

 Prof. A. Dickson on, 569. 



Settle Caves (Victoria Cave), sixth re- 

 port on the exploration of the, 377. 



Severn Tunnel springs, water from the, 

 W. L. Carpenter on, 511. 



Sewage, the discharge of, in tidal rivers, 

 H. Law on, 695. 



Shaen (Mr.) on a common measure of 

 value in direct taxation, 220. 



Shannon, the River : its present state, 

 and the means of improving the navi- 

 gation and the drainage, J. Lynam on, 

 699. 



