IV 
CONTENTS. 
IV. The Temperature of the Fresh- water Lochs of Scotland, with 
special reference to Loch Ness. By E. M. Wedderburn, 
M.A. ( Communicated by Sir John Murray, K.C.B.), 
(. Issued separately April 4 , 1907 .) 
V. Note on the Change produced in the Conductivity and 
Density of Lead Wires by Permanent Stretching. By 
James A. Donaldson and Robert Wilson, Natural 
Philosophy Laboratory, Edinburgh University. ( Com- 
municated by Professor J. G. MacGregor), 
{Issued separately April 4 , 1907 .) 
VI. On the Discovery of a new Genus of Thread-Bacteria {Spiro- 
phyllum ferrugineum, Ellis). By David Ellis, D.Sc., 
Ph.D., F.R.S.E., Lecturer in Botany and Bacteriology, 
Glasgow and West of Scotland Technical College, 
Glasgow. (With a Plate), ..... 
{Issued separately April 24 , 1907 .) 
VII. Prymnothonus Hookeri, Poisson pelagique de Y “ Erebus ” et 
de la “ Terror ” retrouve par 1’ Expedition Antarctique 
Nationale Ecossaise. Note preliminaire, par Louis Dollo, 
Conservateur au Musee royal d'Histoire naturelle, a 
Bruxelles. {Presentee par M. R. H. Traquair, M.D., 
F.R.S., V.P.R.S.E.), 
{Issued separately April 5 , 1907 .) 
VIII. Craniometrical Observations on the Skull of Equus prjevalskii 
and other Horses. By O. Charnock Bradley, M.B., 
D.Sc., F.R.S.E., 
{Issued separately April 29 , 1907 .) 
IX. Notes on Aboriginals of the Northern Territory of South 
Australia. By W. Ramsay Smith, D.Sc., M.B., C.M., 
Permanent Head of the Health Department, South 
Australia. {Communicated by Professor D. J. Cunning- 
ham, F.R.S.), . 
{Issued separately April 29 , 1907 .) 
X. The Functions of the Rolandic Cortex in Monkeys. By W. 
A. Jolly, M.B., and Sutherland Simpson, M.D., D.Sc. 
{From the Physiological Laboratory , University of 
Edinburgh.) {Communicated by Professor E. A. Schafer, 
F.R.S.), 
{Issued separately May 6 , 1907 .) 
XI. The Minors of a Product-Determinant. By Thomas Muir, 
LL.D., . . . . . . 
PAGE 
14 
16 
21 
35 
46 
51 
64 
{Issued separately 
, 1907 .) 
79 
