:o5 e q£ 
in 
VOL. XXII 
JULY 1968 
X 
NO. 3 
- m 
PACIFIC SCIENCE 
A QUARTERLY DEVOTED TO THE BIOLOGICAL 
AND PHYSICAL SCIENCES OF THE PACIFIC REGION 
AMY JEAN GILMARTIN 
Baker's Law and Dioecism in the Hawaiian Flora 
R. HANSEL 
Characterization and Physiological Activity of Kawa Constituents 
FRED C. SIBLEY and ROBERT W. McFARLANE 
Gulls in the Central Pacific 
GEORGE D. GRICE and KUNI HULSEMANN 
Calanoid Copepods from the Southeastern Pacific Ocean 
RICHARD D. CAMPBELL 
Metamorphosis of Proboscidactyla flavicirrata 
ANGELES ALVARINO 
Two New Calycophorae, Siphonophorae 
EDWARD R. LONG 
Associates of Four Species of Marine Sponges 
P. QUENTIN TOMICH, NIXON WILSON, and C. H. LAMOUREUX 
Ecological Factors on Manana Island, Hawaii 
J. G. FUNKHOUSER, I. L. BARNES, and J. J. NAUGHTON 
Determination of Ages of Hawaiian Volcanoes by K-Ar Method 
VERNON E. BROCK and THEODORE C. CHAMBERLAIN 
Geological and Ecological Reconnaissance by Submarine 
THOMAS C. CHENG, HERBERT W. F. YEE, and ERIK RIFKIN 
Studies on the Infernal Defense Mechanisms of Sponges, I 
HANS R. HOHL and SUSAN T. HAMAMOTO 
Lamellate Structures in the Nucleolus of Acrasis rosea 
STEPHEN PRUDHOE 
New Polyclad Turbellarian Associating with a Hermit Crab 
HAROLD ST. JOHN 
Revision of the Genus Pandanus, Part 28 
Hawaiian Plant Studies, Part 28 
NOTE 
M UNIVERSITY OF HAWAII PRESS 
