156 Intelligence and Miscella?ieous Articles, 



the Report of the Council being read, it was resolved, that It be 

 printed and circulated among the Members ^ — That a new class of 

 Members be instituted under the designation of Corresponding Mem- 

 bers. That the thanks of the Society be presented, — 1. To the 

 authors of the various papers : 2. To the donors of minerals, books, 

 &c. : 3. To the officers of the Society. The President then on be- 

 half of the Members presented to Dr. Boase the piece of plate, 

 voted at the last meeting, as a testimonial of his long and valuable 

 services in ])romoting the objects of the Society. In a compli- 

 mentary address he alluded to Dr. Boase's late publication on Pri- 

 mary Geology, and expressed his opinion that, w^hether the views 

 therein advanced should be ultimately substantiated or not, the 

 discussion to which it will give rise cannot fail to prove beneficial 

 to the progress of the science of geology. 



The following gentlemen have been elected Memberssince the last 

 Report: — Honorary Members'. M. Elie de Beaumont; M. Ami 

 Boue; M. Dufrenoy ; M. Constant Prevost; Gideon Mantell, Esq., 

 F.R.S., &c.; John Phillips, Eso^., F.R.S,, Professor of Geology, 

 King's College, London : — Ordinary Meyyibers: Sir William Moles- 

 worth, Bart., M.P., Pencarrow; John Armstrong, jun., Esq., Pen- 

 zance; John Batten,jun., Esq., Penzance; Michael La Beaume, Esq., 

 London; Charles W. Boase, Esq., Dundee; Mr. John Chester, 

 jun., Penzance ; the Rev. Derwent Coleridge, Helston ; William 

 Cornish, jun., Esq., Penzance,- Mr. James Flamank, Penzance; 

 Henry Harvey, Esq., Haylej Mr. William Petherick, Dolcoath; 

 James Backwell Praed, Esq., Trevethow ; the Rev. John Punnett, 

 St. Erth ; Francis Rodd, Esq. ; William Carpenter Rowe, Esq., 

 London ; Mr. Charles Rule, Dolcoath j Richard S. Scott, Esq., 

 Guernsey ; James Trembath, jun., Esq., Sennen. — Associates : Mr. 

 Francis Barratt, Pembroke; Mr. Henry Brenton, Tavistock; Mr. 

 W^illiam Paull, Polgooth ; Mr. Richard Tregaskis, Perran Wharf. 



Officers and Council for the present year: — President: Davies 

 Gilbert, Esq., D.C.L., F.R.S., &c. &c. -.— Vice-Presidents: Samuel 

 Borlase, Esq.; George Croker Fox, Esq., F.G.S., &c.; E. W.W. 

 Pendarves, Esq., M. P., F.R.S. ; James B. Praed, Esq. — Secretary: 

 Henry S. Boase, M.D. — Treasurer: Joseph Carne, Esq. — Curator: 

 W.J. Henwood, F.G.S. — Librarian: Richard Hocking, Esq. — 

 Council: John Armstrong, jun., Esq.; John Batten, jun. Esq.; 

 W. M. Boase, M.D. ; John S. Enys, Esq. ; Francis Paynter, Esq.; 

 Richard Pearce, Esq.; Edward H. Rodd, Esq.; W. M. Tweedy, 

 Esq. ; John Vivian, Esq. ; William Williams, Esq. 



The Quarterly Meetings of the Society for the ensuing year will 

 be held on Fridays, — the 23rd January, the 24th April, the 24th 

 July, and the 6th November, at seven o'clock in the evening. 



M 



XXIV. Intelligence and Miscellaneous Articles, 



COBALT BLUE COLOURS. 



GAUDIN gives the following processes for preparing blue 

 colours from oxide of cobalt : 

 Prepare borate of cobalt by adding a neutral salt of cobalt to one 



