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The Upper Trias of Leicestershire. 
Monthly sour of 
WITH WHICH IS INCORPORATED 
EDITED BY 
isD*, 
HENRY WOODWARD, 
FeRaSiy PG Se meee 
ASSISTED BY 
PROFESSOR J. W. GREGORY, D.Sc., F.B.S., F.G.S. 
DR. GEORGE J. HINDE, F.B.S., 
sir THOMAS H. HOLLAND, K.C.LE., A.R:C.S., D.Sc., 
Dr. JOHN EDWARD MARR, M.A., Sc.D. 
Sir JETHRO J. H. TEALL, M.A., Sc.D. (Cams.), 
E.G.S. 
F.R.S., VICE-PRES. G.S. 
(CamB.), F.R.S., F.G.S. 
LL.D., F.R.S., F.G.S. 
PROFESSOR W. W. WATTS. Sc.D., M.Sc., F.R.S., F.G.S. 
DR. ARTHUR SMITH WOODWARD, F.R.S., F.L.S., Vicr-Pres. GEOL. Soc. 
OCTOBER, 
1916. 
eG) EINE 2b daa IN eee 
I. ORIGINAL ARTICLES. 
New Chalk Polyzoa. By R. M. 
- BRYDONE, F.G.S. (Plate XVIII.) 433 
Further Notes on Petrography of 
South Georgia. By G. W. 
TYRRELL, A.R.C.Se., F.G.S. ... 435 
Alteration of a fine - grained 
Granitic Rock, Federated Malay 
States. By E. S. WILLBOURN, 
BuN ye s5, 
Ophiolithic Goa of the Ticction 
Apennines. By C. 8. Du RICHE 
PRELLER, M.A., Ph.D., F.G.S., 
F.R.S.E. (With 2 Text-figures.) 
Tin-mining, Federated Malay States. 
By W. R. JONES, D.Se., F.G.S. 
[Communicated by J.B.Serivenor, 
Government Geologist, F.M.S.] 453 
Page 
. 441 
447 
By A. R. Horwoop, F.L.8. ... 456 
Optically Positive Cordierite. By 
I. ©. CHACKO, B.Sc., A.R.S.M. 462 
LONDON: DULAU & CO., Lro., 
Il. Notices oF MEmorrs. Page 
British Association, 86th Meeting : 
Titles, and Abstracts of Papers 
read by P.G. H. Boswell, Leonard 
Hawkes, and Alexander Scott ..: 
Ill. Hrvirws. 
N. L. Bowen: Evolution of Igneous 
464 
ROCKS aestAr ns 469 
S. V. Wood’s Bibneane RMolinscd 
continued by F. W. Harmer, 
F.G.S. 472 
R. H. Rastall’s Aoricultural Geology 474 
C. Reid & J. ‘Cues Purbeck 
Chamasne ss SAUD 
A.C. Lawson : Pre- Unmeee aes 475 
Muschelkalk Ichthyosaurs . 476 
IV. CORRESPONDENCE. 
Leonard Hawkes .. 476 
Marion I. Newbigen . ATT 
a V. OBITUARY. 
James Dallas, F.S.A.Scot. watt 
Charles Dawson, F.S.A., F.G.S.... 477 
R. J. Lechmere Guppy ... . 479 
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