INDKX. 



9J1 



tlie Coni- 

 giiugc for 



thotV 

 isitv of 

 aids for 

 2l> ; on 

 lengt^i 

 'ini'nts, 

 ecu snn- 

 na, 4 Ml ; 

 oia tlio 

 o-asL's, 



tcacli- 



ibliuiition 

 of tin- 

 chiivts of 

 •CHV l^f>l. 

 ivoject of 

 iirobser- 

 meti'oric 



Screws, the various small, used in tele- 

 graphic and electrical appiiratus, in 

 clockwork, and for other analogo\is 

 I'jurposes, second report ol 

 nuttcc for d(^termining a 

 the manufacture of, 287. 



"■Sccondarv batteries, by \V. II. I'ni'ee, 

 89!}. 



Sedgwick (A.) on the oce\ipation of a 

 table at the zoological station at 

 Naples, 2.")2. 



Selwyn (Dr. A. 11. {'.)ou tlie glacial origin 

 of lake basins, 721. 



"^Septic organisms, the behaviour of tlu; 

 germs of, under changes of tempera- 

 ture, a method of studying, Uev. Dr. 

 Dallinger on, 78"). 



Severn tunnel raihvaj% the. l)y J. 0. 

 llawkshaw, 881. 



Shacn (W.)oii the teaching of science in 

 elemontarv sc^hools, 28.1. 



Shaw (I'rof. H. S. 11.) on wsrtain practical 

 applicatiiuis of a new mechanical prin- 

 ciple, CtM. 



Sheldon (Prof. J. l'.), r.rilish and ('a'la- 

 ilian agriculhire, 847. 



Shejiherd ( I'l'of.) on anatomicid vinia- 

 tion.-;: (1) par-occiiiital process oeciu- 

 ring in man ; (2) secondary astragiilus ; 

 (.'{) persistence! of the left duct of 

 Cuvier in man, 779. 



.■shoolbred (J. X.) on recbicing and tabu- 

 lating the tidal observations in thi' 

 I'higlish C'lianncl made with the Dover 

 tide-gauge, ami conni'cting them with 

 observations made on the I'reiieli 

 coast, ;i7. 



Sliort ])eriods, certain, common to solar 

 and terrestrial meteorological phnio- 

 Jiiena, I'rof. Balfour Stiswart and W. L. 

 Carpenter on, G.U. 



Silicates, the natural, the chemistry of, 

 I'rof. T. Sterry Hunt on, (i7t). 



SiliciousorgaTiic remains in tholacustrine 

 depositsof th(^ province of No\aSco(iii, 

 Canada, a ]ircliminary exnmimitiun of 

 the, by A. IL Mackay, 712. 



.•Silurian strata in Iteil Itiver Valley, ^hlni- 

 toba, Lrleanings from outcrops (jf, bv 

 J. II. i'anton,'7].J. 



*Singlc-track railways, W. K. Miiir on, 

 88.-). 



*Skull, a, from thol;()ssof I'odbaba, near 

 Prague, and a skull foinid in alluvium 

 at Kankak(>e, Illinois, along with a 

 tooth of the mastodon. Dr. I). Wilson 

 on, 1)17. 



Sladen (P.) on the occupation of a tiihle 

 at the zoological station at Na[iles, 2.-)2. 



Smith (Dr. A. L.) on the ventilation of 

 ocean steamships, 803. 



Smith (Mrs. K. A.), remarks on the cus- 

 toms and lamruagc of the Iroquois, 

 914. 



''Smith (II.), eloctrii' tramways, S9;{. 



Smith (V.) on the t'aiiailian I'licilic rail- 

 way, 88."). 



Smith (\V.) on the lii^hthouse svrstem of 

 Canada, 8!H. 



Social forces, harmonies and aiiiiigonisms 

 in the, hy W. II. Doii-lass. 8fl9. 



'"Soda and chlorine, tlie nnnnifacture of, 

 W. AVeldon on, r)79. 



Soils, some points in the comjOTsltion of, 

 Sir J. 1$. bawes and Dr. ,1. 11. tiilhcrt 

 on, with residts illustrating the sources 

 of fertility in :\laiiitol>a iindrie soils. 

 68G. 



Solar radiation, report on the hot me- 

 thods of recordinu- the divert intensitv 

 of, 28. 



*Solin- siiectrei:,, recnu pvogrc-ss in 

 lihotographing, Prof. II. A. Ilowlun.l 

 on, t;:b"). 



Solar system, the invarialile jil.-nieof the, 

 D. P. Todd on, (j:>\. 



Sollas(Prof. \\'..l.) on tli(> origin of fresh- 

 water faunas, 7(iO. 



Solution, a tlieorv of, hv A\'. W . ,J. Mcol, 



t;:.-j. 



, some ])henom('n;i of, illustrnleil b3- 



fli 'caseof sodium sulphate, Prof. ^\■. A. 

 ''.'ddt'U on, (i75. 



Sjlutions, tlicphysical eonsfants of. Profs. 

 W. L. (Joodwin and I). II. Mnrsliall on, 

 (179. 



Solvable irreducible e(|uationsof prinu> 

 degree. Prof. (I. P. ^'oinig on, (ilO. 



Sorl)y (Dr. II. C.) on fossil polyzoii, 97. 



Sounding ocean depths, recrni iinjirovc- 

 iiKtnts in .apparatus and methods for, 

 l>y llcar-Adni. D. Amnien, (;29. 



Spectra, of the elements, wave-length 

 tables of the, report on the prep;ir;ition 

 of a new series of. i5.")l. 



Spectroscopic studies of e.\plosions, by 

 Profs. Liveing and Dewar, (!72. 



Spectrum analysis, the present slate of 

 our kn(.wlcdge of, rejiort on, 29."). 



Sp(!cula of rellecting tele.sco]ir, polishing 

 the, the Earl of Posse on. iVM. 



Sjjot spectrum from D to I!, Uev. S. .1. 

 Perry on the, (ill."). 



Spragu(! (T. 15.) on the lu'oliiihility tiiat 

 a miirriage cntcri'd into at any age 

 will lie fruitful, and tliat a marriag<' 

 whicli has been (childless for several 

 years will suh>e(piently beconu; fruil- 

 lul, 81i;. 



Stanley (W. F.) on the improliability of 

 the theory that former glaeial periods 

 in the northern hemisphere were due; 

 to eccentricity of the cart lis orliit,anil 

 to its winter perihelion in the north, 

 7211. 



»Siars with a measurable annual parallax, 

 ■I svsteiuatie research for, and its re- 

 sults, Prof. n. S. Mall on, t;.-)l. 





Ill 



it' 

 r. ' 



