PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
SESSION 1909-10. 
Part III] VOL. XXX. [Pp. 183-278. 
CONTENTS. 
NO. PAGE 
VII. The Composition and Character of Oceanic Red Clay. By 
W. A. Caspari, B.Sc., Ph.D., F.I.C., Assistant at the 
Challenger Office. ( Communicated by Sir John Murray, 
K.C.B., F.R.S.), 183 
{Issued separately February .1, 1910.) 
VIII. The Short Muscles of the Hand of the Agile Gibbon (. Hylo - 
bates agilis), with Comments on the Morphological 
Position and Function of the Short Muscles of the Hand 
of Man. By Duncan C. L. Fitzwilliams, M.D., Ch.M., 
F.R.C.S., Surgeon-in-Charge of Out-Patients, St Mary’s 
Hospital, London. ( Communicated by Sir Wm. Turner.) 
(With Two Plates), ...... 202 
{Issued separately February 2, 1910.) 
IX. Observations on some Spark-Gap Phenomena. By John 
M‘Whan, M.A., George A. Clark Scholar of the University 
of Glasgow. {Communicated by Professor A. Gray, 
F.R.S.), 219 
{Issued separately February 2, 1910.) 
[Continued on page iv of Cover. 
EDINBURGH : 
Published by ROBERT GRANT & SON, 107 Princes Street, and 
WILLIAMS & NORGATE, 14 Henrietta Street, Coyent Garden, London, 
MDCCCCX. 
Price Six Shillings and Fourpence. 
