xl RESEARCH COMMITTEES, ETC. 
The biology of a tropical river in British Guiana and of the neighbouring districts. 
—Prof. J. S. Gardiner, F.R.S. (Chaiyman), Dr. G..S. Carter and Mr. J. T. 
Saunders (Secretaries), Dr: W. T. Calman, F.R.S., Prof: J. Graham Kerr, 
F.R.S., Dr. C. Tate Regan, F.R.S. 
SECTIONS D, I, K—ZOOLOGY, PHYSIOLOGY, BOTANY. 
To aid competent investigators selected by the Committee to carry on definite 
pieces of work at the Zoological Station at Naples.—Prof. J. H. Ashworth, 
F.R.S. (Chaiyman and Secretary), Prof. J. Barcroft, C.B.E., F.R.S., Prof. 
E. W. MacBride, F.R.S., Dr. Margery Knight. £50 (Caird Fund grant). 
SECTIONS D, K.—ZOOLOGY, BOTANY. 
To aid competent investigators selected by the Committee to carry out definite 
pieces of work at the Freshwater Biological Station, Wray Castle, Winder- 
mere.—Prof. F, E. Fritsch, F.R.S. (Chaiyman), Mr. J. T. Saunders (Secretary), 
Miss P. M. Jenkin, Dr. C. H. O’Donoghue (from Section D); Dr. W. H. 
Pearsall (from Section K). £75 (£40 Caird Fund grant). 
SECTION E.—GEOGRAPHY. 
To co-operate with the Ordnance Survey in the production of a Population 
Density Map (or Maps) of Great Britain and to endeavour ito get this pub- 
lished as soon as the 1931 Census is available ; and, further, to examine the 
possibility of making similar Maps of the Empire, utilising the International 
Map (1 : 1,000,000) as the base.—Brig. H.S. L. Winterbotham, C.M.G., D.S.O. 
(Chairyman), Capt. J. G. Withycombe (Secretary), Mr. J. Bartholomew, 
Lt.-Col. A. B. Clough, Prof. F. Debenham, Prof. C. B. Fawcett, Prof. H. J. 
Fleure, Mr. H. King, Mr. R. H. Kinvig, Prof. A. G. Ogilvie, O.B.E., Prof. 
O. H. T. Rishbeth, Prof. P. M. Roxby, Mr. A. Stevens. 
To inquire into the present state of knowledge of the Human Geography of 
Tropical Africa, and to make recommendations for furtherance and develop- 
ment.—Prof. P. M. Roxby (Chairman), Prof. A. G. Ogilvie, O.B.E. (Secretary), 
Dr. A. Geddes (Assistant Secretary), Mr. S. J. K. Baker, Prof. C: B. Fawcett, 
Prof. H. J. Fleure, Mr. E. B. Haddon, Mr. R. H. Kinvig, Mr. J. McFarlane, 
Col. M. N. MacLeod, D.S.O., Prof. J. L. Myres, O.B.E., F.B.A., Mr. R. A. 
Pelham, Mr. R. U. Sayce, Rev. E. W. Smith, Brig. H. S. L. Winterbotham, 
C.M.G., D.S.O. 5. 
To investigate the mapping of historical data for medieval England ‘and to take 
steps to advance such work.—Mr. J. N. L. Baker (Chairman), Dr. H. C. 
Darby, Mr. E. W. Gilbert, Mr. F. G. Morris, Dr. S. W.- Wooldridge. 
SECTIONS E, K.—GEOGRAPHY, BOTANY. 
To complete two maps of England on the 1/M: scale showing (i) the distribution 
of woodland (based on physical evidence) after the establishment of climatic 
conditions approximating to the present, and (ii) the distribution of wood- 
land on the basis of ‘evidence derived from early topographical writings 
and maps.—Sir John Russell, O.B.E., F.R.S. (Chairman), Prof. P. M. 
Roxby (Secretary) ; Prof. H. J. Fleure, Mr. R. H. Kinvig, Prof. A. G. Ogilvie, 
O.B.E., Brig. H. S. L. Winterbotham, C.M.G., D.S.O., Capt. J. G. Withy- 
combe (from Section E); Prof. E. J. Salisbury, Dr. T. W. Woodhead (from 
Section K). $25. 
SECTIONS E, L—GEOGRAPHY, EDUCATION. 
To report on the present position of Geographical Teaching in Schools, and of 
Geography in the training of teachers; to formulate suggestions for a 
syllabus for the teaching of geography both to Matriculation Standard and 
