PACIFIC SCIENCE 
A QUARTERLY DEVOTED TO THE BIOLOGICAL 
AND PHYSICAL SCIENCES OF THE PACIFIC REGION 
VOL. xni JANUARY 1959 NO. 1 
Previous issue published October 10, 1958 
CONTENTS 
PAGE 
Pattern and Ontogeny of the Foliar Venation of Bobea elatior (Rubiaceae). 
Thomas R. Pray ................... 3 
Species of Zooplankton as a Means of Identifying Different Surface Waters 
and Demonstrating Their Movements and Mixing. B. M. Bary . , . . . 14 
The Structure and Reproduction of Gulsonia annulata Harvey (Rhodophyta). 
Elise M. Wollaston and H. B. S. Womersley .......... 55 
A Mechanism of Color Variation Operating in the West Coast Sea Hare, 
Aplysia californica Cooper. Lindsay R. Winkler ......... 63 
Four Netv Species, a Netu Genus, and a New Suborder of Hawaiian Fishes. 
William A. Gosline ...... ............ 67 
A New Species of Polychaetous Annelid {Family Capitellidae) from 
Southern California. Donald J. Reish ............ 78 
Evapotranspiration in Hong Kong: A Second Report. C. S. Ramage . . . . 81 
The Flora of Namonuito and the Hall Islands. Benjamin C. Stone ..... 88 
Pacfic Science is published quarterly by the University of Hawaii Press, in January, 
April, July, and October. Subscription price is $4.00 a year; single copy, $1.25. Check 
or money order payable to University of Hawaii should be sent to University of Hawaii 
Press, Honolulu 14, Hawaii, U.S.A. Printed by The Advertiser Publishing Company, 
Ltd., Honolulu 2, Hawaii. 
