CONTENTS 
Page- 
SMITH, WARREN D. Tropical geology and engineering 221 
LIGHT, S. F. Notes on Philippine termites, 1 243 
UICHANCO, LEOPQLDO B. New records and species 
of Psyllidse from the Philippine Islands, with de- 
scriptions of some preadult stages and habits 259 
MERRILL, ELMER D. New Philippine Myrtaceae 289 
ROHWER, S. A. Descriptions of New Philippine wasps 
of the subfamily Pseninse 309 
it 
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