INDEX. 



797 



of spectrum analysis, 317 ; on the dy- 

 namical theory of radiation, 661. 

 Sclater (P. L.) on the occupation of a 

 table at the zoological station at 

 Naples, 178 ; on the steps taken for 

 investigating the natural history of 

 Socotra, 194 ; on the natural history 

 of Timor-laut, 197 ; on the insect- 

 house in the gardens of the Zoological 

 Society of London, 668. 

 Scott (A.) and Prof. Dewar on the deter- 

 mination of the relative atomic weights 

 of manganese, oxygen, and silver, 596 ; 

 on some vapour density determina- 

 tions, 597. 

 Scottish zoological station, report of the 

 Committee appointed to aid in the 

 maintenance of the, 177. 

 *Screv5^-gauge for electrical apparatus, 



W. H. Preece on a, 779. 

 ♦Secondary battery, an earlj' attempt at 



a, Dr. C. W. Siemens on, 554. 

 Sections coniques, un critMum de Stei- 

 ner relatif ^ la theorie des, M. Haljahen 

 sur, 532. 

 Seebohm (Mr.) on the steps taken for 

 investigating the natural history of 

 Socotra, 194. 

 Seeley (Prof. H. G.) on Simosaurus pusil- 

 lus (Fraas), a step in the evolution of 

 the plesiosauria, 618 ; on a restoration 

 of the skeleton of Archseopteryx, with 

 some remarks on the diiierences be- 

 tween the Berlin and London speci- 

 mens, ih. 

 Seismology, a contribution to, by J. Milne 



and T. Gray, 646. 

 Selenium and tellurium, the occurrence 



of, in Japan, Prof. E. Divers on, 586. 

 * Semites, the origin and primitive home 



of the, by G. Bertin, 699. 

 Sense of colour among some of the lower 



animals. Sir J. Lubbock on the, 676 

 Senses, the cultivation of the, G. Harri- 

 son, 699. 

 ♦Series hypergeomfitriques, Prof . Halphen 



sur les, 551. 

 Serrated claw, the use of the, P. M. C. 



Kermode on, 670. 

 Shaen (W.), on the manner in which 

 rudimentary science should be taught, 

 and how examinations should be held 

 therein, in elementary schools, 148. 

 Shaw (H. S. H.) and Rev. J. M. Wilson, 

 on a new integrating anemometer, 

 543. 

 *Ship railway across the Isthmus of 

 Tehuantepec, Mexico, Capt. J. B. Eads 

 on the, 774. 

 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, 160; *on the 



transmission of power by electricitj% 

 779 ; *on the relative value of incan- 

 descent electric lights, 780. 

 *Sidereal day, the effects of the lunar 

 and solar tide in increasing the length 

 of the. Rev. Dr. Haughton on, 523. 

 Siemens (Dr. C. W.) on the measure- 

 ment of the lunar disturbance of 

 gravity, 93 ; on patent legislation, 

 222 ; on some applications of electric 

 energy to horticultural and agricul- 

 tural purposes, 474 ; *on an early 

 attempt at a secondary battery, 554. 

 Siliceous and other hot springs in the 

 volcanic district of the North Island 

 of New Zealand, \V. Lant Carpenter 

 on the, 580. 

 Silver chloride, the effect of the spectrum 



of, Capt. Abney on, 594. 

 Silver question, the, and the double 

 versus the single standard, by W. 

 Westgarth, 759. 

 Simosaurus pusillus (Fraas), a step in 

 the evolution of the plesiosauria, Prof. 

 H. G. Seeley on, 618. 

 Skull, a remarkable human, found near 

 York, E. Allen on, 704. 



Sladen (P.) on the Scottish zoological 

 station, 177 ; on the occupation of a 

 table at the zoological station at 

 Naples, 178. 



Smith (Mr. Dew) on the occupation of a 

 table at the zoological station at 

 Naples, 178. 



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

 tables, 303 ; *on the differential equa- 

 tions satisfied by the modular equa- 

 tions, 535 ; *on the equation of the 

 multiplier in the theory of elliptic 

 transformation, 538 ; *on a linear re- 

 lation between two quadratic surds, 

 ih. ; *on a property of a small geodesic 

 triangle on any surface, 548. 



♦Society of Arts Patent Bill, Sir F. J. 

 Bramwell on the, 780. 



Socotra, the island of, Prof. B. Balfour 

 on, 482. 



, the natural history of, report on 



the steps taken for investigating, 194. 



Socotran land and freshwater shells, re- 

 port on, by Lieut.-Col. H. H. Godwin- 

 Austen, 196. 



Sodium-alum of Japan, Prof. E. Divers 

 on the, 586. 



Solar atmosphere, hydrocarbons in the, 

 Capt. Abney on, 524. 



Sollas (Prof. W. J.) on the connection 

 between the intrusion of volcanic rock 

 and volcanic eruptions, 613 ; the sub- 

 ject-matter of geology, and its classi- 

 fication, 644. 



Specific refraction of solids, report on 

 the method of determining the, from 

 their solutions, 155. 



