Dr. W. R. Tromp de Haas (Government Rubber and Gutta Perclia Plantations, Buiten- 
zorg, Java). 
A. Gordon Salamon, Esq., A.R.S.M., F.I.C., F.C.S. 
Joseph Torrey, A.M., Ph.D. (Liverpool). . TT q * * 
Dr. D. Sp 9 nce (The B.F. Goodrich Co., Research Laboratories, Akion, L.S.A.). 
Dr. Ernst Stern (Scientific Chemist, Berlin). 
Professor Dr. F. Willy Hinrichsen (Berlin-Zehlendorf, Germany). 
Philin Sfhidrowitz Ph.D.. F.C.S. (Rubber Chemist, London). 
A h SUngervoet Ramondt, Esq. (Lecturer in Chemistry, Royal Naval College, Holland). 
E Lothar Weber, Ph.D. (Boston, U.S.A., India Rubber Laboratory). 
Professor P. van Romburgh (Utrecht University Holland) 
Prof. C. M. Knight, A.B., A.M., Sc.D. (Buchtel College Akron, I S.A.). 
Monsieur Henry Jumelle (Professeur a la Faculte des Sciences, Marseille). 
Dr. Rudolf Ditmar (President Austrian Division of International testing Committee). 
Dr! Werner Esch, M.L.A. (Hamburg). . 
J. G. Fol, Esq. (Chemical Engineer in the Nethcrland Government Experiment Statio , 
Holland). 
Dr. Fritz Frank (Scientific Chemist, Berlin). 
Dr! Eduard Marekwald (Scientific Chemist, Berlin). 
Dr. A. H. Berkhout (International Rubber Testing Committee, Holland). 
Francis Martin, Esq., F.C.S. (Western Electric Co., Ltd.). 
P. J. Burgess, Esq., M.A., F.C.S. (Consulting Chemist). 
G. Stafford Whitby, Esq., A.R.C.S., B.Sc. (West Country Estate, F.M.S.). 
Dr. L, Sachs (Director of the Rubber and Balata Works, Austria). - 
Dr! Paul Alexander (Charlottenburg-Berlin). u ,, 
Prof. Dr. G. van Iterson, Jr. (Professor, Technical Academy, Delft, Holland^ 
E? en n eid^B iggs, * Esq R Xlfs., F.R.C.I. (late Assistant District Commissioner British 
Henry Barclay Walcott, Esq., C.M.G. (Collector of Customs, Innidad). 
Frank Barlow, Esq., J.P. (Messrs. Thos. Barlow & Bros.). 
C. S. Thane, Esq. (Chairman, Lower Burma Planters Association). 
H. Percival Hodgson, Esq. (Director, Southern India Co.). 
The Hon. G. S. Hudson (Enard Estate, St. Lucia, West Indies) 
Georse Corderoy, Esq. (Chairman and Managing Director, Ihe Malaysia Rubber Co., 
Maio? EH M Leggett, D.S.O. (Managing Director, British East Africa Corporation, 
John~McEwan ! Esq!" "(Messrs. McMeekin & Co., Vice-Chairman Rubber Growers’ Associa- 
Arthur Lampard, Esq. (Messrs. Harrisons & Crossfield). 
Major John C. Sanderson. , _ , , „ ... „ 
F. Crosbie-Roles, Esq. (Ceylon Commissioner International Rubber Exposition, 1912). 
Frank Wilson Barker, Esq. (Director, Lanadron Rubber Estates, Ltd.). 
Monsieur Victor Cayla (Laboratoire Colonial du Museum, Paris). 
H. Martyn Mitchell, Esq. (Messrs. Thos. Barlow & Bro.). , 
J. Lockhart-Anderson, Esq. (Messrs. Boustead, Anderson & Co London). 
Ralph A. Cameron, Esq. (The Eastern Produce and Estates Co., Ltd.). 
C. 0. Macadam, Esq. (Rosehaugh Tea and Rubber Estates, Ceylon). 
F. H. Payne, Esq. (Director, Mabira Forest (Uganda) Rubber Co., Ltd.). 
J. E. A. Dick-Lauder, Esq., F.R.G.S., F.Z.S. 
A. Gordon Dickson, Esq. (Messrs, Dickson & Co., London). 
Oliphant Devitt, Esq. (Director, Dcviturai Rubber & Tea Estates Co., .Ltd.). 
George Barnard, Esq. (Planter, St. Lucia, West Indies). 
R. Hoffmann, Esq. (London). . 
Geo. Gray Anderson, Esq. (Messrs. Lyall, Anderson & Co., London). 
C. C. McLeod, Esq. (Messrs. McLeod, Russel & Co.). 
T. G. Hayes, Esq. (Director, Ceylon Proprietary lea Estates Co., Ltd.). 
Gilbert F. Traill, Esq. (Messrs. Bosanquet, Traill & Co.). 
R. W. Harrison, Esq. (Klang, F.M.S.). ...o, 
Graeme Anderson, Esq: (Manager, Kelantan Rubber Estates, Ltd., F.M.b.). 
W. Greig, Esq. (Manager, Brooklands (Selangor) Rubber Co., Ltd., r.ivi.b.). 
J, L. Hermessen, Esq., A.M.I.C.E., F.R.G.S. (Orizaba, Mexico). 
George Gall, Esq. (Secretary, Mabira F'orest (Uganda) Rubber Co Ltd.). 
W. D. Bosanquet, Esq. (Director, Golconda Malay Rubber Co., Ltd.). 
C. Malcolm Cumming, Esq. (Linggi Plantations, F.M.S.). 
G. H, Golledge, Esq. (Gikiyanakande Estate, Ceylon). 
T. C. Owen, Esq. (Messrs. Rowe, White & Co., Ltd.). 
Edward Buultjens, Esq. (Matara, Ceylon). .. . 
Neville E. A. Gardner, Esq. (Mergui Crown Rubber Estate, Southern India). 
Edmund Walker, Esq. (Messrs. Walker, Sons & Co., Ltd., Ceylon). 
Monsieur Leon Osterrieth (Association des Planteurs de Caoutchouc, Antwerp) _ 
Gaston de Decker, Esq. (Directeur de la “ Algemeene Belgisch-Javasche Cultuur Mi]., 
W. F. de Bo\s Maclaren, Esq. (The Rubber Estate Agency, Ltd., London). 
Dr. J. Santiago Cardwell-Quinn (Minas, Brazil). 
