PACIFIC SCIENCE 
A QUARTERLY DEVOTED TO THE BIOLOGICAL 
AND PHYSICAL SCIENCES OF THE PACIFIC REGION 
VOL. VI OCTOBER, 1952 NO. 4 
Previous issue published July 1, 1952 
CONTENTS 
PAGE 
The Kona Earthquake of August 21, 1951, Es Aftershocks. Gordon A. 
Macdonald and Chester K. Wentworth 269 
The Genus Acer (Maples) in Formosa and the Liukiu {Ryukyu} Islands. 
Hui-Lin Li 288 
A New Species of Amphipod from Lower California (Genu^s Eriopisa). J. 
Laurens Barnard ■ 295 
The Nassariidae of the West Coast of North America between Cape San Lucas, 
Lower California, and Cape Flattery, Washington. Joan Demond . . .300 
Iodine Content of Some Marine Algae. yihxm'Lon W CSmyiM . . . . . .318 
NEWS NOTES 324 
INDEX 
Pacific Science, a quarterly publication of the University of Hawaii, appears in Janu- 
ary, April, July, and October. Subscription price is three dollars a year; single copies are 
one dollar. Check or money order payable to University of Hawaii should be sent to 
Pacific Science, Office of Publications, University of Hawaii, Honolulu 14, Hawaii. 
