CONTENTS 
VOLUME I 
PAGE 
Titles ........ i 
Dedication . . . . . . v 
Preface, by Sir John Murray and Mr Laurence Pullar . vii 
Contents of each Volume ...... ix 
Statistical Tables of the Scottish Fresh-water Lochs, I. to VI. . xvii 
Index to the Descriptions and Maps of the Scottish Fresh-water 
Lochs sounded by the Lake Survey . . . xlv 
Introduction, Methods, Instruments, and various Appendices, by 
Sir John Murray, K.C.B., F.R.S., D.Sc., etc. . . 1 
Seiches and other Oscillations of Lake-surfaces, observed by the 
Scottish Lake Survey, by Professor George Chrystal, M. A., 
Sec. R.S.E., etc. ...... 29 
Temperature of Scottish Lakes, by E. M. Wedderburn, M.A., 
LL.B., W.S., F.R.S.E. ..... 91 
Chemical Composition of Lake-waters, by W. A. Caspar!, B.Sc., 
Ph.D., F.I.C. ...... 145 
An Epitome of a Comparative Study of the Dominant Phanero- 
gamic and Higher Cryptogamic Flora of Aquatic Habit, in 
seven Lake Areas in Scotland, by George West . .156 
Deposits of the Scottish Fresh-water Lochs, by W. A. Caspari, 
B.Sc., Ph.D., F.I.C. ...... 261 
Biology of the Scottish Lochs, by James Murray, F.R.S.E. — 
I. The Biology in relation to Environment . . .275 
II. Census of the Species . . . . .313 
Some Distinctive Characters in the Fresh-water Plankton from 
various Islands off the North and West Coasts of Scotland, 
by John Hewitt, B.A. ..... 335 
ix 
