APRIL, 1949 
NOo 2 
A QUARTERLY DEVOTED TO THE BIOLOGICAL 
AND PHYSICAL SCIENCES OF THE PACIFIC REGION 
IN THIS ISSUE: Fisher — Birds on Midway • Linford, 
Oliveira, and Ishii — A Nematode Parasitic on Roots • 
Sherman, Tom, and Fujimoto —Pyrolusite Concretions 
in Hawaiian Soils « de Laubenfels —New Sponges from 
Yap • Kartman — Haemoproteus of Pigeons • Mona- 
chino — Revision of the Genus Alstonia • NOTES 
Published by 
THE UNIVERSITY OF HAWAII 
HONOLULU, HAWAII 
