iv CONTENTS 
PAGE 
REPORTS ON THE STATE OF SCIENCE, ETC. .......20+-. ++ e0+-sereece 233 
SECTIONAL, (uRANSACTIONS 22'0-)-.,/59 oh ea gtcbecy t.)- ovo > +o; ekekemeiatenenate eas 269 
CONFERENCE OF DELEGATES OF CORRESPONDING SOCIETIES ........ 406 
EVENING DISCOURSES : 
Transport and Storage of Food. By Sir FRANK SMITH, K.C.B., 
C.B.E., Sec. R.S. (The Hardy Memorial Discourse) . 2 ATO 
The Exploration of the Mineral World bail X- une By Prof. 
W. L. Brace, F.R.S. . : 31434 
PHOTOELECTRICITY, ART AND Po itics: AN HIsToricaL STupy. 
By N. R. CAMPBELL and C. C. PaTERSON, O.B.E.........0004% 445 
UNDERGROUND WATER SUPPLY. By Prof. W.S. BOULTON......... 456 
REFERENCES TO PUBLICATION OF COMMUNICATIONS TO THE SECTIONS 463 
APPENDIX. 
A SCIENTIFIC SURVEY OF ABERDEEN AND DISTRICT ......:......05. I-123 
LIS DID Ses beds coe c BABE: CS AME Calcio sade 125 
PUBLICATIONS OF THE BRITISH ASSOCIATION ......-.00-eee000- (At end) 
* SECTIONAL PRESIDENTS’ ADDRESSES: CORRIGENDA. 
Section C: PRESIDENT’S ADDRESS. 
Page 51, footnote. Read Cochran Patrick, R. W., Early Records relating to Mining in 
Scotland, 1878. An undated lease of rather earlier date, probably before the end of the 
twelfth century, is recorded in Chalmers’ Caledonia, n.e., 1889, vol. iv, p. 866. See also 
Cadell, H. M., The Rocks of West Lothian, 1925, p. 313. 
Page 57, line 13. For ‘‘ elephant ”’ read ‘‘ elephants’ bones.” 
Page 63, line 7 from foot. After “‘ not’’ read “‘ to.” 
Page 65, line 12 from foot. For ‘‘ re-Paleozoic”’ read ‘‘ pre-Paleozoic.” 
Page 70, line 4. For ‘‘ Wegner”’ read ‘‘ Wegener.” 
Page 71, line 14. Read ‘‘ precursors.”” Line 18, read ‘‘ Alpine.” 
Page 75, line 7. For ‘‘ mistaken’”’ read ‘‘ misunderstood.” 
Page 79, line 2 from foot. For ‘‘little’’ read ‘‘ practically no.” 
SEcTION I: PRESIDENT’S ADDRESS. 
Page 178, Note 18. For lines 7 to 11, commencing ‘‘ This matter ”’ and ending ‘‘ sensa- 
tion of blue,” read ‘‘ The matter must be left in abeyance, but the use of the term ‘ violet 
receptor’ is to be understood to mean either the receptor for violet or blue. Owing to 
the fact that fatigue to ‘ red ’ causes violet to appear more blue, Wright believes that the 
single receptor gives rise to a sensation of blue.” 
SECTION J: PRESIDENT’S ADDRESS. 
Page 190, line 19. For 99 read 109. 
