52 1:8.C. Proceedings of the Ninth [N.S., XVIIT, 
under ae — which has enabled us to obtain a glimpse 
of the form dimensions of the vast stellar universe. It 
A Statistical § weg of some Examination sige —By P. V. 
Sesuu I S. R. RaAncanatoa 
ture of 
(2) Wiscuiane f the pte at ‘the Standard Deviation. Their 
effect on the pier tray for a pass’ Disadv antages of a fixed minimym. 
(3) Probable Error in inaskis ng. Edgeworth’s Analysis and results. 
The margin of Probable Error in the neighbourhood of the minimum for 
each of the Intermediate s subjects 
(4) The fixing of the minimum. Its relation to the Mean and the 
Median. 
(5) Correlation of the attainments of the candidates = various 
subjects. The best correlated — ects—Physics and Chemistry. The 
best correlated fea ad mg Matheclation Fiuctadslincs in the 
value of the correlation coefficio 
ae a practice in a —By K. B. Mapwava. 
Sor yf Serewsscits tions _ regi that generally, in an interpola- 
tion the "ha t results will not be got by peocennk to the same order of 
> eases cruel ut; but by studying the character of the differences, 
: ng in eac h ca se at the point where they decrease to a 
minimum 

K. B. 
AD 
S sometimes held that the fall of meteors, the Zodiacal light, 
L., suopest he poselbtity of so of resistance to the planetary 
and satellite mo cular variations of the elements are studied 
under this hypothesis; which suggests that, if the eff be appreciable in 
t tion of a i which hav ll eccentricities in general, it 
ust be remarkably great for motion of the t his 1s 
otion is Man small if it exists at all, and the question is raised why it 
should be ; 
Behaviour of Metallic-filament Lamps.—By S. NaRAYAN. 
The paper discusses certain results obtained in the College of Engi- 
neering Physical Labora tory at Poona with others of a similar character 
c i i 
neers. Th 
current, resistance and light under differ ent circumstances has been 
considered and the practical aspect of the questions discussed pointed 
* Castelo and absorption spectra of the halogens in - 
visible and speci tei regions.—By A. L. NaRaYA 
and D. GuNNA 
The emission and mien rpti be eins of Chlorine, Bromine and Iodine, 
are studied by the photographic method. Emission Spectra were eX 
je ae te ee ee ee 


