November 12th, igi2?^ Prockedings. ix 



the latter case no discharge took place, and the final potential, 

 140,000 volts, was limited by a leak of electricity along the 

 quartz support. The cause of discharge in a high vacuum is 

 still unknown. 



A paper by Mr. C. (i. Darwin, B.A., entitled "The 

 Interference-phenomena produced by passing X-rays 

 through crystals, ' was read by Mr. H G. J. Moselev. 



General Meeting, November 26th, 191 2. 



The President, Professor F. E. Weiss, D.Sc, F.L.S., 

 in the Chair. 



Mr. Edward Melland, Kia Ora^ Hale, Cheshire, and 

 Mr. J. E. Myers, M.Sc, Beyer Fellow and Assistant Lecturer 

 in Chemistry in the Victoria University of Manchester, Acresfield, 

 Gatley, Cheshire, were elected ordinary members of the Society. 



Ordinary Meeting, November 26th, 191 2. 



The President, Professor F. E. Weiss, DSc, F.L.S., 

 in the Chair. 



A vote of thanks was accorded to the donors ('f the books 

 upon the table. These included: "■ Katalog tmd Ephemeriden 

 verdfiderlicher Sterne fiir igi2," by Ernst Hertwig (Svo., Leipzig, 

 191 2), presented by the Remeis Sternwarte, Bamberg; ''The 

 Crysta/h'satioft 0/ j)/eta/s" {Svo., Glasgow, 191 2), and ''Report 

 on Diffusion in Solids'' (8vo., London, 1912), by Cecil H. Uescii, 

 presented by the Author ; and Festschrift des Vereins fiir 

 Naturkunde zu Cassel zu Feier seines fiififutidziehsigfiihrigen 

 Bestehens'" (8vo., Cassel, 1912), presented by the Vereins fiir 

 Naturkunde, Cassel. 



