CONTENTS 
Page. 
DEL ROSARIO, MARIANO V., and MARAnON, JOA- 
QUIN. The physico-chemical valoration of tikitiki 
extract 221 
MERRILL, E. D. Additional notes on the Kwangtung 
flora 1 225 
KOORDERS, S. H. Notiz iiber Hoya imbricata Callery 
ex Decaisne und Hoya pseudomaxima Kds. in den 
Filipinen auf Grand von einigen Herbar-Exemplaren 
des Bureau of Science in Manila 263 
COCKERELL, T. D. A. The black halictine bees of the 
Philippine Islands 269 
BANKS, CHARLES S. The swarming of anopheline 
mosquitoes 283 
BANKS, CHARLES S. Two Philippine leaf -mining bu- 
prestids, one being new 289 
BAKER, C. F. Notices of certain Fulgoroidea, II: The 
genus Trobolophya 301 
GROFF, ELIZABETH H. Soy-sauce manufacturing in 
Kwangtung, China :... 307 
REVIEWS 317 
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