ON METEORIC DUST. 127 
place where it was found ; but all the specimens also contained (1) spherical 
particles of magnetic oxide of iron, and (2) small particles of iron, partly 
metallic, of the shape given in last year’s Report. These are probably of 
a meteoric origin. The Committee is still pursuing the work for which 
it was appointed. 
Report of the Committee, consisting of Captain Abney (Secretary), 
Professor W. G. ADAms, Professor G. C. Foster, Lord RayLEIcH, 
Mr. PREECE, Professor ScHuSTER, Professor DEwar, Mr. VERNON 
Harcourt, and Professor AYRTON, reappointed for the purpose 
of fixing a Standard of White Light. 
Tur Committee have received the draft of a report from their Secretary. 
As the subject has recently received much attention from different sides, 
and as the Committee hope to increase the value of their report by an 
extension and further discussion of the experiments, they prefer to defer 
the publication of their full report until next year. To carry out the 
intention of the Committee a grant of 20/. will be required. 
Report of the Committee, consisting of Professors WILLIAMSON, 
FRANKLAND, ROSCOE, CruM Brown, and ODLING, and Messrs. J. 
Mitiar Tomson, V. H. VELEY, and H. B. Dixon (Secretary), 
appointed for the purpose of drawing wp a statement of the 
varieties of Chemical Names which have come into use, for in- 
dicating the causes which have led to their adoption, and for 
considering what can be done to bring about some convergence 
of the views on Chemical Nomenclature obtaining among Eng- 
lish and foreign chemists. 
Tue Committee have been as yet unable to complete their report on 
Chemical Nomenclature. A large part of the work of drawing up in 
tabular form the varieties of chemical names which have come into 
general use in England and abroad has been accomplished, but the Com- 
mittee wish to extend the work before making their report, and for this 
purpose desire to be reappointed for another year, with the addition of 
the names of Mr. Japp, Professor Dewar, Mr. Vernon Harcourt, and Mr, 
Forster Morley. 
Report of the Committee, consisting of Professors ODLING, 
Hountineton, and Hartury (Secretary), appointed for the 
purpose of investigating by means of Photography the Ulitra- 
Violet Spark Spectra emitted by Metallic Elements, and their 
combinations under varying conditions. Drawn wp by Pro- 
fessor W. N. Hartiey. 
The disappearance of short lines—It was shown in a former Report of this 
Committee (Southampton Meeting) that the spectra of metallic solutions 
were the same as those from metallic electrodes line for line, in most 
cases even short and weak lines being reproduced. ‘The principal differ- 
ence observable in the two spectra was a lengthening of the short lines 
