394 Prof. T. G. Bonney. On the [Nov. 27, 



November 27, 1884. 

 Mr. J. EVANS, Vice- President and Treasurer, in the Chair. 



In pursuance of the Statutes, notice was given from the Chair of 

 the ensuing Anniversary Meeting, and the list of Officers and Council 

 nominated for election, was read as follows : 



President. Professor Thomas Henry Huxley, LL.D. 

 Treasurer. John Evans, D.C.L., LL.D. 



~ . _ f Professor George Gabriel Stokes, M. A., D.C.L., LL.D. 



" I Professor Michael Foster, M.A., M.D. 



Foreign Secretary. Professor Alexander William Williamson, LL.D. 



Other Members of the Council. Captain W. de Wiveleslie Abney, 

 B.E. ; William Henry M. Christie, Astron. Royal ; Professor George 

 H. Darwin, M.A., F.R.A.S. ; Warren De La Rue, M.A., D.C.L. ; Robert 

 Etheridge, F.R.S.E., F.G.S. ; Sir Frederick J. 0. Evans, K.C.B. ; Pro- 

 fessor William Henry Flower, LL.D. ; Professor George Carey Foster, 

 B.A. ; Sir Joseph D. Hooker, K. C.S.I.; Professor Henry N. Moseley, 

 M.A., F.L.S.; Hugo Miiller, Ph.D.; Captain Andrew Noble, R.A., 

 C.B. ; the Lord Rayleigh, D.C.L. ; Professor J. S. Burdon Sanderson, 

 LL.D. ; Lieutenant- General R. Strachey, R.E., C.S.I. ; Professor J. J. 

 Sylvester, M.A., D.C.L., LL.D. 



Professor Alexander Stewart Herschel and Professor Charles Stuart 

 Roy were admitted into the Society. 



The following Papers were read : 



I. "Notes on the Microscopic Structure of some Rocks from 

 the Andes of Ecuador, collected by E. Whymper. No. V 

 (Conclusion). Altar, Illiniza. Sincholagua, Cotocachi, 

 Sara-urcu, &c." By Professor T. G. BONNEY, D.Sc., F.R.S. 

 Received October 29, 1884. 



The number of specimens described in this concluding paper of the 

 series is not great, although more mountains are represented than on 

 any other occasion. Four out of the five mountains enumerated 

 above are volcanic, and, as will be seen, their rocks all belong to the 

 andesite group. Sara-urcu, however, consists wholly of metamorphic 



