﻿November 15U1, 1904.] PROCEEDINGS. xvii 



Mr. Ellison also exhibited, as lantern slides, a number of 

 excellent photographs of the nests and eggs of some of the 

 above-mentioned birds as seen in their native haunts. 



Mr. Morris-Airey's paper on ''The Determination of 

 Wave-lengths in the extreme Ultra-violet part of the 

 Spectrum," was reserved for the next meeting on November 

 29th. 



Ordinary Meeting, November 29th, 1904. 



Professor W. Boyd Dawkins, D.Sc, F.R.S., President, 

 in the Chair. 



The thanks of the members were voted to the donors of the 

 books upon the table. The following were among the recent 

 accessions to the Society's Library: — " Flora Capensis"... vol. iv. 

 Sect. 2, pt. iii. By Sir W. T. Thistleton-Dyer (8vo., London, 

 1904), purchased; " Obras sobre Mathematical do dr. F. 

 Gomez Teixeira ... (fol., Coimbra, 1904), presented by the 

 Academie Polytechnique de Porto ; " The Afithracitation of 

 Coal" by D. Burns (8vo., London, 1904), presented by the 

 N. of England Institute of Mining and Mechanical Engineers ; 

 and " Wind Charts for the South Atlantic Ocean" (obi. fol., 

 London, [1904]), presented by the Meteorological Office. 



Mr. H. Morris-Airey, M.Sc, read a paper entitled, 

 " Determination of Wave-lengths in the extreme 

 Ultra-violet part of the Spectrum." 



