«38 



INDEX. 



vatory near Chepstow, 39 ; on the pub- 

 lication by the Meteorogical Society 

 of the Mauritius of daily synoptic 

 charts of the Indian Ocean for the 

 year 1861, 40. 



Screw gauge, the British Association 

 standard, W. H. Preece on, 884. 



Sea-beach, an ancient, near Bridlington 

 Quay, containing mammalian remains, 

 J. W. Davis on the discovery and ex- 

 cavation of, 694. 



Secondary battery, a new form of, by K. 

 Hedges, 882. 



Secretion, the, of pure aqueous formic 

 acid by lepidopterous larvse for the 

 purpose of defence, by E. B. Poulton, 

 765. 



*Secretion in plant-glands, some points 

 in the process of, W. Gardiner on, 761. 



Sedgwick (A.) on arrangements for as- 

 sisting the Marine Biological Associa- 

 tion laboratory at Plymouth, 59 ; on 

 the occupation of a table at the zoolo- 

 gical station at Naples, 77. 



Sedimentary rocks of North Devon, some 

 effects of pressure on the, by J. E. 

 Marr, 706. 



Seebohm (H.) on the flora and fauna of 

 the Cameroons mountain, 73. 



Seeley (Prof. H. G.) on the mode of de- 

 velopment of the young in Plcslosa-ums, 

 697 ; on the reputed clavicles and in- 

 terclavicles of Iguanodon, 698 ; on 

 Cumnurla, an iguanodont genus 

 founded upon the Iguanodon prest- 

 uncki, Hulke, ib. ; the classification of 

 the Dmosauria, ib. 



Selagiriella, note on the stomata and 

 ligules of, by Prof. McNab, 743. 



Selwyn (Dr. A.) on the depth of per- 

 manently frozen soil in the Polar 

 regions, 152. 



Seneca Indians of North America, the, 

 their present customs, legends, and 

 language, by J. W. Sanborn, 910. 



Separation, a partial, of the consti- 

 tuents of a solution during expansion 

 by rise of temperature, by Prof. J. W, 

 Mallet, 649. 



Serrell (E. W., jun.), reinforcing electrical 

 contacts so as to increase their relia- 

 bility, vidth example of application to 

 reeling silk from the cocoon, 881. 



Severn tunnel, the, by T. A. Walker, 865. 



Shaw (Prof. H. S. H.) on the endmance 

 of metals under repeated and varying 

 stresses, and the proper working stresses 

 on railway bridges, &c., 424. 



Shaw (W. N.) on standards for use in 

 electrical measurements, 206 ; on elec- 

 trolysis in its physical and chemical 

 bearings, 336. 



Shelford (W.), improvement of the access 

 to the Mersey ports, 867. 



Shenstone (W. A.) on the action of the 

 silent discharge of electricity on oxy- 

 gen and other gases, 42. 



Shropshire picrite, a, by W. W. Watts, 

 700. 



*Siam, by J. McCarthy, 804. 



Sidgwick (Prof. H.) on the best methods 

 of ascertaining and measuring varia- 

 tions in the value of the monetary 

 standard, 247 ; on the regulation of 

 wages by means of lists In the cotton 

 industry, 303. 



Silicates, some natural, the chemical 

 structure of, by F. W. Clarke, 650. 



Silicon, the influence of, on the properties 

 of steel, report on, 43. 



*Silk industry, the, T. Wardle on some 

 important statistics relating to, 852. 



Silver and gold : their geological distri- 

 bution and their probable future pro- 

 duction, by W. Topley, 510. 



Siret (H. and L.), the early ages of metal 

 in South-east Spain, 905. 



Skertchly (3. B. J.) on the occurrence 

 of stone mortars in the ancient 

 (Pliocene ?) river-gravels of Butte Co., 

 California, 907. 



*Skulls, 108, from Assouan, W. S. Melsome 

 on, 900. 



Sladen (P.) on arrangements for assisting 

 the Marine Biological Association 

 laboratory at Plymouth, 59 ; on the oc- 

 cupation of a table at the zoological 

 station at Naples, 77. 



Sliding coefficient for a fluid in contact 

 with a solid, the existence of a. Prof. 

 H. Lamb on, 495. 



*Smell, the brain mechanism of, by Dr. 

 A. Hill, 754. 



''Smith (Watson) on the constituents of 

 the light oils of blast furnace coal tar 

 from Gartsherrie works, 640. 



Smithells (Prof. A.), suggested amend- 

 ment of chemical nomenclature, 652. 



SueU (W. H.) and C. H. W. Biggs, dis- 

 tribution by transformers and alternate 

 current machines, 878. 



*Socialism, by Prof. W. Graham, 852. 



Solar radiation, fourtli report on the 

 best methods of recording the direct 

 intensity of, 32. 



*Solar spectrum, description of a map of 

 the, by Prof. H. A. Eowland, 583. 



, exhibition of negatives of photo- 

 graphs of the, by G. Higgs, 583. 



Sollas (Prof.), some preliminarj' observa- 

 tions on the geology of Wicklow and 

 Wexford, 708. 



*Solms-Laubach (Count) on bennettites, 

 the type of a new group between 

 angiosperms and gymnosperms, 761. 



Solution, W. Durham on, 655. 



, the bibliography of, report on, 57. 



. , the nature of, report on, 55. 



