PACIFIC SCIENCE 
A QUARTERLY DEVOTED TO THE BIOLOGICAL 
AND PHYSICAL SCIENCES OF THE PACIFIC REGION 
VOL. XII JULY 1958 NO. 3 
Previous issue published April 14, 1958 
CONTENTS 
PAGE 
The Plecia of the Pacific and Southeast Asia (Bibionidae— Dipt era) . 
D. Elmo Hardy 185 
Central Pacific Eels of the Genus Uropterygius, with Descriptions of 
Two New Species. William A. Gosline 221 
Structure and Reproduction of Cottoniella hawaiiensis n. sp. 
Maxwell S. Doty and M. Ruth Wainwright 229 
Further Notes on Felisacus Distant (Heteroptera; Miridae; 
Bryocorinae). T. E. Woodward .....236 
Culex (Culex) iyengari n. sp., a New Species of Mosquito (Diptera, Culicidae ) 
from the South Pacific. P. F. Mattingly and J. Rageau 241 
Hawaiian Helminths 1. Trigonocryptus conus n. gen., n. sp. ( Trematoda : 
Fellodistomidae). W. E. Martin 251 
Calcareous Concretions and Sheets in Soils Near South Point, Hawaii. 
G. Donald Sherman and Haruyoshi Ikawa 255 
Barriers to Protect Hilo from Lava Flows. Gordon A. Macdonald 258 
Pacific 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. 
SMITHSONIAN 
‘Institution AUG 6 
1958 
