DEPARTMENT OF MARINE BIOLOGY 
OF 
THE CARNEGIE INSTITUTION OF WASHINGTON 
ALFRED G. MAYOR, Drrecror 
VOLUME X 
THE ECHINODERM FAUNA OF 
TORRES STRAIT: 
ITS COMPOSITION AND ITS ORIGIN 
BY 
HUBERT LYMAN CLARK 
OF THE MUSEUM OF COMPARATIVE ZOOLOGY 
eee 
Br cwpnion nade 
he = Cory jt 
MAR I° 1923 
WASHINGTON, DFG ary 
PuBLIsHED BY THE CARNEGIE INSTITUTION OF WASHINGTON _ 
1921 
